date,value
1881-01-01,18.47395230140494
1881-02-01,18.14725816499023
1881-03-01,18.27011914020499
1881-04-01,17.95010827822289
1881-05-01,18.869718693152592
1881-06-01,19.02871073111578
1881-07-01,18.116367187389738
1881-08-01,17.286243553973446
1881-09-01,16.724836648772897
1881-10-01,16.261989411181354
1881-11-01,16.47864231664487
1881-12-01,15.958754206105079
1882-01-01,15.678764160028743
1882-02-01,15.153861528363038
1882-03-01,15.091670299486745
1882-04-01,14.916997168375302
1882-05-01,14.567103202191758
1882-06-01,14.327404890131673
1882-07-01,15.240559761217828
1882-08-01,15.525429331463034
1882-09-01,16.081106624462315
1882-10-01,15.75558103052656
1882-11-01,15.192670313165339
1882-12-01,15.382128332081967
1883-01-01,15.27025911909857
1883-02-01,14.75759014617622
1883-03-01,15.05125412140164
1883-04-01,15.482067222036674
1883-05-01,15.335497637337067
1883-06-01,15.903388388583796
1883-07-01,15.948783127017029
1883-08-01,15.196810876629849
1883-09-01,15.494692425793458
1883-10-01,15.048056270223839
1883-11-01,15.408218142448874
1883-12-01,14.896403941887169
1884-01-01,14.432821721970727
1884-02-01,14.805960228816714
1884-03-01,14.736023454014473
1884-04-01,14.353453682579477
1884-05-01,13.46505031380491
1884-06-01,12.906876483666865
1884-07-01,13.043931585991672
1884-08-01,13.859813341769325
1884-09-01,13.569154744335725
1884-10-01,13.27325131913416
1884-11-01,13.304437602119732
1884-12-01,13.432292746944762
1885-01-01,13.129817425635967
1885-02-01,13.384817593597964
1885-03-01,13.734194093452514
1885-04-01,13.54854854103006
1885-05-01,13.71137187256194
1885-06-01,13.978784368698355
1885-07-01,14.32665877708933
1885-08-01,15.130410796707158
1885-09-01,15.11628502872425
1885-10-01,15.991023962168986
1885-11-01,16.824034498619024
1885-12-01,16.30447595227853
1886-01-01,16.69231747079766
1886-02-01,17.006648259461006
1886-03-01,16.843266101570144
1886-04-01,16.801716131246312
1886-05-01,16.86319551509784
1886-06-01,17.83149405537689
1886-07-01,17.84584504153222
1886-08-01,17.72391279961928
1886-09-01,18.147143925800037
1886-10-01,18.562381342866576
1886-11-01,18.968312634942848
1886-12-01,18.19405755688645
1887-01-01,17.512222096304964
1887-02-01,17.125366596972327
1887-03-01,17.473213711513765
1887-04-01,17.822983639100723
1887-05-01,18.075445427458252
1887-06-01,17.707695663272997
1887-07-01,17.431460535613088
1887-08-01,16.73984961482072
1887-09-01,16.676629667380155
1887-10-01,15.880666812517322
1887-11-01,15.950712201066784
1887-12-01,15.455513454469953
1888-01-01,15.358662514259917
1888-02-01,15.418178318820546
1888-03-01,14.808972366946579
1888-04-01,15.020108681844473
1888-05-01,15.38791695722914
1888-06-01,15.077628818434698
1888-07-01,15.279642515498182
1888-08-01,15.602911670088815
1888-09-01,15.987828821761426
1888-10-01,15.715941874329712
1888-11-01,15.22374901694629
1888-12-01,14.946748301089235
1889-01-01,15.802286071028167
1889-02-01,16.192720447849002
1889-03-01,16.065045360769297
1889-04-01,16.050104533967488
1889-05-01,16.915421076068384
1889-06-01,17.21930294394769
1889-07-01,16.889214491107516
1889-08-01,17.131853975345734
1889-09-01,17.3507880263486
1889-10-01,17.053214402955494
1889-11-01,16.90602117024937
1889-12-01,16.61033807660339
1890-01-01,17.220071982181903
1890-02-01,17.02681498267141
1890-03-01,16.90112228858991
1890-04-01,17.257854542603198
1890-05-01,17.786430487858624
1890-06-01,17.684360844450165
1890-07-01,17.589295440864863
1890-08-01,16.5967911339791
1890-09-01,16.16970200061531
1890-10-01,15.48284916334444
1890-11-01,14.745043493292805
1890-12-01,14.442991231338441
1891-01-01,15.428980086469101
1891-02-01,15.476522332432543
1891-03-01,15.051623357657386
1891-04-01,15.408945125474125
1891-05-01,15.566495230713256
1891-06-01,15.658211395638151
1891-07-01,15.617919238645992
1891-08-01,16.16399850996304
1891-09-01,17.71126141325653
1891-10-01,17.71656858982637
1891-11-01,17.671739174764006
1891-12-01,18.20630300020994
1892-01-01,19.016388404225278
1892-02-01,19.03642504097844
1892-03-01,19.738054849323017
1892-04-01,19.943265241638652
1892-05-01,19.911465213489812
1892-06-01,19.769284397136747
1892-07-01,19.21188643450556
1892-08-01,19.204303803173826
1892-09-01,18.6942718095882
1892-10-01,19.04021491532471
1892-11-01,18.463312690800002
1892-12-01,18.01300925127574
1893-01-01,17.65664370809878
1893-02-01,17.125193854872453
1893-03-01,16.899589031582327
1893-04-01,17.102541578254918
1893-05-01,15.78098731077625
1893-06-01,15.41650386359769
1893-07-01,14.349854182760948
1893-08-01,14.58805653580781
1893-09-01,15.012069079138762
1893-10-01,15.271794153520183
1893-11-01,15.942411400571672
1893-12-01,15.612694335464933
1894-01-01,15.739869351948219
1894-02-01,16.20273659644992
1894-03-01,17.187622088121927
1894-04-01,17.434849078052448
1894-05-01,16.808751920918002
1894-06-01,16.60631969529252
1894-07-01,16.289679714916947
1894-08-01,16.45777707299836
1894-09-01,16.522315444877208
1894-10-01,16.50290420570842
1894-11-01,16.542784447444543
1894-12-01,16.67246633376772
1895-01-01,16.524443935162704
1895-02-01,16.3312376932114
1895-03-01,16.36462542717479
1895-04-01,16.387543823686293
1895-05-01,17.080369553382383
1895-06-01,17.20741353978338
1895-07-01,17.54601464874055
1895-08-01,18.074072547241787
1895-09-01,18.200335946605456
1895-10-01,17.944706622466466
1895-11-01,17.342998991921686
1895-12-01,16.54841515666795
1896-01-01,16.576224828568176
1896-02-01,17.515403352637264
1896-03-01,17.232362712298603
1896-04-01,17.643699378129995
1896-05-01,17.82826689423282
1896-06-01,17.777578616430457
1896-07-01,16.637100103394577
1896-08-01,15.70337054622687
1896-09-01,16.544339943032014
1896-10-01,16.43886680472588
1896-11-01,17.089425242371114
1896-12-01,16.501404180590086
1897-01-01,17.026521282380553
1897-02-01,16.89402588325409
1897-03-01,16.95803071672104
1897-04-01,16.69685743473466
1897-05-01,17.047755129229383
1897-06-01,17.85049728069061
1897-07-01,18.651975755820285
1897-08-01,19.006396010519442
1897-09-01,19.372370293397793
1897-10-01,19.02803122390242
1897-11-01,18.358448098050218
1897-12-01,18.748757662525502
1898-01-01,19.249000021813753
1898-02-01,18.91813188800214
1898-03-01,18.04217492346868
1898-04-01,17.705089426411774
1898-05-01,17.595635274512816
1898-06-01,19.544817480547998
1898-07-01,19.858943014167306
1898-08-01,20.544915179153282
1898-09-01,20.4427328626913
1898-10-01,19.94719982577366
1898-11-01,20.5274163248113
1898-12-01,21.403631985448186
1899-01-01,22.932807416487183
1899-02-01,23.048117549980198
1899-03-01,23.279682245508727
1899-04-01,23.152421525686492
1899-05-01,22.091269360834193
1899-06-01,21.21209192504684
1899-07-01,21.561425634523125
1899-08-01,21.72623737305546
1899-09-01,20.59114051411378
1899-10-01,20.153713460686614
1899-11-01,20.1964575208023
1899-12-01,18.512649643600202
1900-01-01,18.674275362444785
1900-02-01,18.70379741725144
1900-03-01,18.775793421238376
1900-04-01,18.93640203332273
1900-05-01,18.403197016950415
1900-06-01,17.99271158430398
1900-07-01,17.689545468952804
1900-08-01,18.069614666784194
1900-09-01,17.34187415122471
1900-10-01,18.102398784556055
1900-11-01,19.419584603760757
1900-12-01,20.74405116087085
1901-01-01,20.978581834536193
1901-02-01,21.679149848206194
1901-03-01,22.34758395068385
1901-04-01,24.409716994827217
1901-05-01,23.064012684863563
1901-06-01,25.238466205960346
1901-07-01,23.144848553708112
1901-08-01,23.07717771384438
1901-09-01,22.590468316860246
1901-10-01,22.252901618408934
1901-11-01,22.375074777652806
1901-12-01,21.68021514102968
1902-01-01,22.34029079603357
1902-02-01,22.459957452460408
1902-03-01,22.410652288217346
1902-04-01,22.823108698497855
1902-05-01,22.427954493329803
1902-06-01,21.963742295514628
1902-07-01,22.385686589401377
1902-08-01,23.168671834092873
1902-09-01,22.85656638195451
1902-10-01,20.604425401859817
1902-11-01,20.408541255072187
1902-12-01,19.63323212682385
1903-01-01,20.3181320538285
1903-02-01,20.107051517552808
1903-03-01,19.88456038487284
1903-04-01,18.980022601826267
1903-05-01,18.95485872303988
1903-06-01,17.81855172296852
1903-07-01,16.91817841476666
1903-08-01,16.2991187909035
1903-09-01,15.65435911519692
1903-10-01,15.252943825778841
1903-11-01,15.407877534297898
1903-12-01,16.042894140050144
1904-01-01,15.861833914033642
1904-02-01,15.02149838033144
1904-03-01,15.081930176258867
1904-04-01,15.565490611691484
1904-05-01,15.52582089625464
1904-06-01,15.474433638652657
1904-07-01,16.036401629624113
1904-08-01,16.304651978851034
1904-09-01,16.74260004916369
1904-10-01,17.633197370821403
1904-11-01,18.07620022377007
1904-12-01,18.159679118703203
1905-01-01,18.459852032455853
1905-02-01,19.168996375829835
1905-03-01,19.831506074218424
1905-04-01,19.48292752471129
1905-05-01,18.62948750984513
1905-06-01,18.735862386183538
1905-07-01,19.205883309548053
1905-08-01,19.573308430803724
1905-09-01,19.74349241969778
1905-10-01,19.897394814329534
1905-11-01,19.443525693264984
1905-12-01,19.577960809096112
1906-01-01,20.132402260807893
1906-02-01,19.866752563675888
1906-03-01,19.25945302085411
1906-04-01,18.87620499611588
1906-05-01,18.054044460926395
1906-06-01,18.172666376497496
1906-07-01,18.19520014351375
1906-08-01,18.967251477549294
1906-09-01,19.20099368200136
1906-10-01,18.095380908869096
1906-11-01,18.141851654007958
1906-12-01,17.660003667768652
1907-01-01,17.218913853705978
1907-02-01,16.217071288766146
1907-03-01,14.687545255978645
1907-04-01,14.66970990560273
1907-05-01,13.79010715342424
1907-06-01,13.144269952673199
1907-07-01,13.585007357961837
1907-08-01,12.513471604446607
1907-09-01,12.328569657736622
1907-10-01,10.831840153050601
1907-11-01,10.59117755918978
1907-12-01,11.333306235811166
1908-01-01,11.902968628266972
1908-02-01,11.55484629514479
1908-03-01,11.984662664464292
1908-04-01,12.448889158370363
1908-05-01,13.078451355438341
1908-06-01,13.051684129229988
1908-07-01,13.3454871048344
1908-08-01,13.88423289520861
1908-09-01,13.701442268825113
1908-10-01,13.690810359178709
1908-11-01,14.435014091256262
1908-12-01,14.582482908962438
1909-01-01,14.76441845644136
1909-02-01,14.167157516701366
1909-03-01,14.33605838058622
1909-04-01,14.645198603086122
1909-05-01,14.953509786582782
1909-06-01,15.040444676080996
1909-07-01,15.231503240497684
1909-08-01,15.417580706254759
1909-09-01,15.25444643682118
1909-10-01,14.988845296121768
1909-11-01,14.74563117682459
1909-12-01,14.750638489265036
1910-01-01,14.547885040564148
1910-02-01,14.002037903032702
1910-03-01,14.050006965077824
1910-04-01,13.559883620820079
1910-05-01,13.568792287251453
1910-06-01,13.019657302315943
1910-07-01,12.34258125998522
1910-08-01,12.745055150886254
1910-09-01,12.937161101070847
1910-10-01,13.918866656445815
1910-11-01,14.164523175780351
1910-12-01,13.74147841778155
1911-01-01,14.049215181401202
1911-02-01,14.721488469928302
1911-03-01,14.370623221979534
1911-04-01,14.752935420329353
1911-05-01,15.047660591685043
1911-06-01,15.328355684719284
1911-07-01,15.08311057870027
1911-08-01,13.899790665654447
1911-09-01,12.997953983252437
1911-10-01,13.066472850619194
1911-11-01,13.727997586413094
1911-12-01,13.929258419578236
1912-01-01,13.794952631845822
1912-02-01,13.531634369686595
1912-03-01,13.639769173944167
1912-04-01,13.654392690553232
1912-05-01,13.645500685612367
1912-06-01,13.785417404502525
1912-07-01,13.802876645015786
1912-08-01,13.984761763426272
1912-09-01,13.92628500131587
1912-10-01,13.905092701178463
1912-11-01,13.74954101860653
1912-12-01,13.388999452579629
1913-01-01,13.148088791761557
1913-02-01,12.682960516236756
1913-03-01,12.443453515183657
1913-04-01,12.433067081795162
1913-05-01,12.221401061154124
1913-06-01,11.491962852761224
1913-07-01,11.534022795459858
1913-08-01,11.846840543564626
1913-09-01,11.843316826625973
1913-10-01,11.471490240312288
1913-11-01,11.072537845038006
1913-12-01,11.17404087003679
1914-01-01,11.636092105046133
1914-02-01,11.910233879798238
1914-03-01,11.685526018836827
1914-04-01,11.522662536200235
1914-05-01,11.47900869416448
1914-06-01,11.428715168831886
1914-07-01,10.694345183040136
1914-08-01,10.492046265076436
1914-09-01,10.500497301802131
1914-10-01,10.61275946612622
1914-11-01,10.51691764299212
1914-12-01,10.172217991997861
1915-01-01,10.359834197757266
1915-02-01,10.32978620966069
1915-03-01,10.70701318868281
1915-04-01,11.401123789000183
1915-05-01,11.02692987647131
1915-06-01,11.154262189096338
1915-07-01,11.1136293939496
1915-08-01,11.584831641604596
1915-09-01,12.011570757825888
1915-10-01,12.549076133220147
1915-11-01,12.857714453559307
1915-12-01,12.878444602185981
1916-01-01,12.543563692516168
1916-02-01,12.354652326458789
1916-03-01,12.177052795748478
1916-04-01,11.906481776593179
1916-05-01,12.026256671905157
1916-06-01,11.995961222946578
1916-07-01,11.791165275254547
1916-08-01,11.73208263887416
1916-09-01,11.94455241750447
1916-10-01,12.045741763370797
1916-11-01,12.053230403230497
1916-12-01,11.41355918884949
1917-01-01,10.992361427383424
1917-02-01,10.063187738735728
1917-03-01,10.327157080107876
1917-04-01,9.644531197281234
1917-05-01,9.138988813373578
1917-06-01,9.148220259539583
1917-07-01,9.003472377228805
1917-08-01,8.57268046675378
1917-09-01,7.950823264217066
1917-10-01,7.387133711108147
1917-11-01,6.753013604774308
1917-12-01,6.412593898119818
1918-01-01,6.640646028655352
1918-02-01,6.784343551630282
1918-03-01,6.686355760455894
1918-04-01,6.520727730547159
1918-05-01,6.5823632316210805
1918-06-01,6.496291318641057
1918-07-01,6.371324093848989
1918-08-01,6.303073760914594
1918-09-01,6.149170562431681
1918-10-01,6.290515321191322
1918-11-01,6.3333274953541565
1918-12-01,6.134580411283435
1919-01-01,6.098467639950106
1919-02-01,6.2396927713649815
1919-03-01,6.3560740048691455
1919-04-01,6.456139555819275
1919-05-01,6.829002261482033
1919-06-01,7.021615214784134
1919-07-01,7.052837165446312
1919-08-01,6.4791311017052795
1919-09-01,6.558481672061264
1919-10-01,6.794704199949302
1919-11-01,6.467022574133132
1919-12-01,6.160717033799176
1920-01-01,5.9896677711394375
1920-02-01,5.455347649907771
1920-03-01,5.798822727557157
1920-04-01,5.599858725506185
1920-05-01,5.188950462047495
1920-06-01,5.043639680451618
1920-07-01,5.080592919540795
1920-08-01,5.0207010779228565
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2011-01-01,22.978299430554983
2011-02-01,23.489828703298535
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2017-02-01,28.655106525184127
2017-03-01,29.086921742464643
2017-04-01,28.904245956275155
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2017-10-01,30.920393290333838
2017-11-01,31.298913333880268
2017-12-01,32.086132007706
2018-01-01,33.30734382803066
2018-02-01,32.03538233925029
2018-03-01,31.80840905764312
2018-04-01,30.97017929332522
2018-05-01,31.243615074864607
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2019-02-01,29.541548965131213
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2023-01-01,28.334813423755683
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