date,value
1947-01-01,9.959
1947-04-01,13.603
1947-07-01,13.868
1947-10-01,14.455
1948-01-01,17.971
1948-04-01,19.109
1948-07-01,18.762
1948-10-01,20.713
1949-01-01,20.168
1949-04-01,19.144
1949-07-01,19.987
1949-10-01,16.892
1950-01-01,16.616
1950-04-01,17.781
1950-07-01,18.717
1950-10-01,20.208
1951-01-01,14.668
1951-04-01,18.564
1951-07-01,21.229
1951-10-01,21.114
1952-01-01,20.498
1952-04-01,19.757
1952-07-01,19.764
1952-10-01,22.212
1953-01-01,22.056
1953-04-01,21.133
1953-07-01,20.434
1953-10-01,17.777
1954-01-01,20.412
1954-04-01,21.235
1954-07-01,22.235
1954-10-01,24.565
1955-01-01,27.672
1955-04-01,28.727
1955-07-01,28.289
1955-10-01,28.826
1956-01-01,27.736
1956-04-01,27.546
1956-07-01,28.581
1956-10-01,28.358
1957-01-01,29.315
1957-04-01,28.933
1957-07-01,28.476
1957-10-01,26.315
1958-01-01,23.138
1958-04-01,23.932
1958-07-01,25.851
1958-10-01,28.745
1959-01-01,31.469
1959-04-01,34.115
1959-07-01,32.082
1959-10-01,33.127
1960-01-01,34.445
1960-04-01,32.68
1960-07-01,32.675
1960-10-01,31.378
1961-01-01,30.286
1961-04-01,33.057
1961-07-01,34.527
1961-10-01,37.1
1962-01-01,39.407
1962-04-01,39.661
1962-07-01,40.692
1962-10-01,43.229
1963-01-01,43.477
1963-04-01,44.817
1963-07-01,45.541
1963-10-01,46.235
1964-01-01,50.657
1964-04-01,50.92
1964-07-01,51.459
1964-10-01,51.503
1965-01-01,57.499
1965-04-01,58.813
1965-07-01,59.501
1965-10-01,62.269
1966-01-01,64.668
1966-04-01,63.743
1966-07-01,62.672
1966-10-01,64.476
1967-01-01,62.694
1967-04-01,61.809
1967-07-01,62.608
1967-10-01,64.384
1968-01-01,61.667
1968-04-01,65.05
1968-07-01,65.527
1968-10-01,66.09
1969-01-01,64.775
1969-04-01,62.864
1969-07-01,61.35
1969-10-01,56.844
1970-01-01,53.587
1970-04-01,57.314
1970-07-01,56.24
1970-10-01,52.782
1971-01-01,62.238
1971-04-01,63.423
1971-07-01,66.884
1971-10-01,70.81
1972-01-01,74.377
1972-04-01,75.95
1972-07-01,79.403
1972-10-01,82.677
1973-01-01,87.48
1973-04-01,85.213
1973-07-01,89.045
1973-10-01,89.292
1974-01-01,85.693
1974-04-01,82.261
1974-07-01,72.772
1974-10-01,73.153
1975-01-01,79.438
1975-04-01,87.52
1975-07-01,97.739
1975-10-01,105.682
1976-01-01,114.267
1976-04-01,113.771
1976-07-01,115.767
1976-10-01,115.875
1977-01-01,121.202
1977-04-01,136.491
1977-07-01,148.802
1977-10-01,142.623
1978-01-01,143.746
1978-04-01,159.716
1978-07-01,165.997
1978-10-01,173.409
1979-01-01,168.104
1979-04-01,170.326
1979-07-01,169.252
1979-10-01,166.233
1980-01-01,152.013
1980-04-01,141.837
1980-07-01,141.93
1980-10-01,154.787
1981-01-01,164.992
1981-04-01,170.249
1981-07-01,184.446
1981-10-01,182.63
1982-01-01,169.227
1982-04-01,181.393
1982-07-01,178.323
1982-10-01,176.905
1983-01-01,192.153
1983-04-01,207.293
1983-07-01,215.457
1983-10-01,231.032
1984-01-01,247.305
1984-04-01,250.532
1984-07-01,258.385
1984-10-01,266.942
1985-01-01,266.445
1985-04-01,271.461
1985-07-01,282.537
1985-10-01,265.429
1986-01-01,250.686
1986-04-01,236.423
1986-07-01,224.955
1986-10-01,214.712
1987-01-01,228.165
1987-04-01,253.045
1987-07-01,272.042
1987-10-01,279.188
1988-01-01,284.19
1988-04-01,290.036
1988-07-01,287.316
1988-10-01,306.366
1989-01-01,290.039
1989-04-01,297.398
1989-07-01,302.622
1989-10-01,287.124
1990-01-01,301.048
1990-04-01,314.909
1990-07-01,283.573
1990-10-01,290.525
1991-01-01,331.017
1991-04-01,331.815
1991-07-01,329.425
1991-10-01,331.458
1992-01-01,348.981
1992-04-01,351.069
1992-07-01,342.804
1992-10-01,354.65
1993-01-01,347.588
1993-04-01,363.517
1993-07-01,386.052
1993-10-01,405.524
1994-01-01,436.69
1994-04-01,452.366
1994-07-01,470.98
1994-10-01,485.645
1995-01-01,482.958
1995-04-01,511.485
1995-07-01,538.924
1995-10-01,555.548
1996-01-01,582.841
1996-04-01,584.751
1996-07-01,590.962
1996-10-01,610.189
1997-01-01,638.451
1997-04-01,658.411
1997-07-01,683.399
1997-10-01,680.156
1998-01-01,615.114
1998-04-01,616.661
1998-07-01,619.687
1998-10-01,601.985
1999-01-01,650.003
1999-04-01,647.382
1999-07-01,628.608
1999-10-01,631.497
2000-01-01,602.659
2000-04-01,595.936
2000-07-01,599.286
2000-10-01,573.967
2001-01-01,593.447
2001-04-01,625.379
2001-07-01,610.375
2001-10-01,638.97
2002-01-01,722.722
2002-04-01,747.849
2002-07-01,772.158
2002-10-01,836.039
2003-01-01,807.272
2003-04-01,847.592
2003-07-01,879.966
2003-10-01,918.387
2004-01-01,1017.183
2004-04-01,1029.643
2004-07-01,1071.377
2004-10-01,1049.924
2005-01-01,1104.414
2005-04-01,1133.053
2005-07-01,1155.571
2005-10-01,1208.145
2006-01-01,1254.443
2006-04-01,1258.593
2006-07-01,1288.079
2006-10-01,1262.717
2007-01-01,1168.768
2007-04-01,1241.923
2007-07-01,1213.225
2007-10-01,1192.171
2008-01-01,1156.248
2008-04-01,1142.84
2008-07-01,1160.602
2008-10-01,899.117
2009-01-01,1125.534
2009-04-01,1126.565
2009-07-01,1286.134
2009-10-01,1348.642
2010-01-01,1428.295
2010-04-01,1422.987
2010-07-01,1571.136
2010-10-01,1586.412
2011-01-01,1435.031
2011-04-01,1557.726
2011-07-01,1615.871
2011-10-01,1718.029
2012-01-01,1758.696
2012-04-01,1729.414
2012-07-01,1705.305
2012-10-01,1699.163
2013-01-01,1699.634
2013-04-01,1703.325
2013-07-01,1720.44
2013-10-01,1751.49
2014-01-01,1652.642
2014-04-01,1801.772
2014-07-01,1889.023
2014-10-01,1880.338
2015-01-01,1826.631
2015-04-01,1799.6
2015-07-01,1780.289
2015-10-01,1701.493
2016-01-01,1777.476
2016-04-01,1733.129
2016-07-01,1754.784
2016-10-01,1807.72
2017-01-01,1911.361
2017-04-01,1896.913
2017-07-01,1927.001
2017-10-01,1977.064
2018-01-01,2028.401
2018-04-01,2070.954
2018-07-01,2071.997
2018-10-01,2099.624
2019-01-01,2133.343
2019-04-01,2160.739
2019-07-01,2204.873
2019-10-01,2197.55
2020-01-01,1983.118
2020-04-01,1806.373
2020-07-01,2414.002
2020-10-01,2198.352
2021-01-01,2463.006
2021-04-01,2682.512
2021-07-01,2681.607
2021-10-01,2688.942
2022-01-01,2604.732
2022-04-01,2775.2
2022-07-01,2887.408
2022-10-01,2791.797
2023-01-01,2898.235
2023-04-01,2896.277
2023-07-01,2991.694
2023-10-01,3051.054
2024-01-01,2995.428
2024-04-01,3068.561
2024-07-01,3024.997
2024-10-01,3211.384
2025-01-01,3279.457
2025-04-01,3281.549
2025-07-01,3402.32
2025-10-01,3581.268
2026-01-01,3600.539
2026-04-01,3877.434