date,value 1947-01-01,28.071 1947-04-01,28.706 1947-07-01,29.515 1947-10-01,30.191 1948-01-01,30.615 1948-04-01,31.086 1948-07-01,31.65 1948-10-01,31.959 1949-01-01,32.249 1949-04-01,32.256 1949-07-01,32.255 1949-10-01,32.382 1950-01-01,32.405 1950-04-01,32.769 1950-07-01,33.572 1950-10-01,34.823 1951-01-01,36.253 1951-04-01,37.336 1951-07-01,38.267 1951-10-01,39.045 1952-01-01,39.53 1952-04-01,40.176 1952-07-01,41.003 1952-10-01,41.709 1953-01-01,42.496 1953-04-01,43.266 1953-07-01,43.817 1953-10-01,44.381 1954-01-01,44.94 1954-04-01,45.691 1954-07-01,46.3 1954-10-01,46.991 1955-01-01,47.461 1955-04-01,48.178 1955-07-01,49.315 1955-10-01,50.603 1956-01-01,52.144 1956-04-01,53.505 1956-07-01,54.819 1956-10-01,56.032 1957-01-01,57.313 1957-04-01,58.42 1957-07-01,59.488 1957-10-01,60.448 1958-01-01,61.092 1958-04-01,62.003 1958-07-01,62.943 1958-10-01,63.782 1959-01-01,64.464 1959-04-01,65.122 1959-07-01,65.789 1959-10-01,66.397 1960-01-01,66.985 1960-04-01,67.588 1960-07-01,68.204 1960-10-01,68.825 1961-01-01,69.496 1961-04-01,70.185 1961-07-01,70.961 1961-10-01,71.776 1962-01-01,72.702 1962-04-01,73.529 1962-07-01,74.549 1962-10-01,75.608 1963-01-01,76.518 1963-04-01,77.526 1963-07-01,78.503 1963-10-01,79.524 1964-01-01,80.617 1964-04-01,81.755 1964-07-01,82.945 1964-10-01,84.239 1965-01-01,85.615 1965-04-01,87.146 1965-07-01,88.773 1965-10-01,90.49 1966-01-01,92.31 1966-04-01,94.338 1966-07-01,96.288 1966-10-01,98.3 1967-01-01,100.268 1967-04-01,102.35 1967-07-01,104.619 1967-10-01,106.985 1968-01-01,109.496 1968-04-01,111.946 1968-07-01,114.534 1968-10-01,117.45 1969-01-01,120.465 1969-04-01,123.506 1969-07-01,126.325 1969-10-01,129.289 1970-01-01,132.239 1970-04-01,135.272 1970-07-01,138.327 1970-10-01,141.511 1971-01-01,144.646 1971-04-01,147.597 1971-07-01,150.361 1971-10-01,153.099 1972-01-01,155.942 1972-04-01,158.952 1972-07-01,162.705 1972-10-01,166.434 1973-01-01,170.49 1973-04-01,175.393 1973-07-01,181.24 1973-10-01,187.608 1974-01-01,194.309 1974-04-01,202.126 1974-07-01,211.181 1974-10-01,219.957 1975-01-01,228.744 1975-04-01,235.778 1975-07-01,242.132 1975-10-01,247.391 1976-01-01,251.926 1976-04-01,256.699 1976-07-01,262.692 1976-10-01,269.589 1977-01-01,277.537 1977-04-01,285.66 1977-07-01,293.756 1977-10-01,302.364 1978-01-01,311.598 1978-04-01,321.999 1978-07-01,331.98 1978-10-01,343.202 1979-01-01,354.779 1979-04-01,367.225 1979-07-01,380.308 1979-10-01,393.209 1980-01-01,406.75 1980-04-01,420.968 1980-07-01,435.363 1980-10-01,450.637 1981-01-01,465.542 1981-04-01,480.431 1981-07-01,494.517 1981-10-01,508.426 1982-01-01,521.926 1982-04-01,533.877 1982-07-01,542.749 1982-10-01,549.301 1983-01-01,552.307 1983-04-01,559.081 1983-07-01,566.169 1983-10-01,572.932 1984-01-01,582.246 1984-04-01,591.493 1984-07-01,603.176 1984-10-01,616.669 1985-01-01,623.649 1985-04-01,634.561 1985-07-01,645.165 1985-10-01,657.178 1986-01-01,668.189 1986-04-01,679.916 1986-07-01,690.953 1986-10-01,702.121 1987-01-01,712.6 1987-04-01,723.77 1987-07-01,736.076 1987-10-01,749.086 1988-01-01,763.802 1988-04-01,777.68 1988-07-01,791.371 1988-10-01,805.134 1989-01-01,818.428 1989-04-01,831.683 1989-07-01,844.888 1989-10-01,858.033 1990-01-01,870.021 1990-04-01,882.23 1990-07-01,895.014 1990-10-01,906.865 1991-01-01,918.971 1991-04-01,928.946 1991-07-01,937.781 1991-10-01,943.873 1992-01-01,948.169 1992-04-01,955.181 1992-07-01,963.352 1992-10-01,974.276 1993-01-01,986.166 1993-04-01,997.536 1993-07-01,1008.696 1993-10-01,1021.6 1994-01-01,1033.285 1994-04-01,1046.97 1994-07-01,1062.27 1994-10-01,1079.907 1995-01-01,1099.15 1995-04-01,1115.753 1995-07-01,1130.762 1995-10-01,1143.859 1996-01-01,1155.575 1996-04-01,1167.56 1996-07-01,1181.881 1996-10-01,1196.21 1997-01-01,1213.302 1997-04-01,1231.224 1997-07-01,1247.806 1997-10-01,1264.973 1998-01-01,1281.346 1998-04-01,1300.034 1998-07-01,1318.769 1998-10-01,1338.797 1999-01-01,1358.687 1999-04-01,1383.208 1999-07-01,1410.656 1999-10-01,1443.195 2000-01-01,1478.97 2000-04-01,1506.133 2000-07-01,1524.963 2000-10-01,1534.844 2001-01-01,1566.444 2001-04-01,1594.02 2001-07-01,1611.579 2001-10-01,1625.991 2002-01-01,1637.53 2002-04-01,1649.251 2002-07-01,1664.403 2002-10-01,1680.74 2003-01-01,1695.027 2003-04-01,1708.794 2003-07-01,1725.713 2003-10-01,1746.857 2004-01-01,1773.987 2004-04-01,1803.609 2004-07-01,1835.146 2004-10-01,1874.613 2005-01-01,1911.601 2005-04-01,1948.969 2005-07-01,1989.675 2005-10-01,2033.96 2006-01-01,2070.428 2006-04-01,2107.094 2006-07-01,2141.108 2006-10-01,2178.031 2007-01-01,2214.675 2007-04-01,2240.928 2007-07-01,2265.601 2007-10-01,2289.796 2008-01-01,2319.795 2008-04-01,2347.2 2008-07-01,2376.04 2008-10-01,2392.814 2009-01-01,2387.44 2009-04-01,2369.055 2009-07-01,2358.981 2009-10-01,2369.629 2010-01-01,2374.551 2010-04-01,2382.725 2010-07-01,2391.773 2010-10-01,2412.516 2011-01-01,2437.233 2011-04-01,2463.587 2011-07-01,2487.576 2011-10-01,2509.057 2012-01-01,2538.27 2012-04-01,2563.894 2012-07-01,2590.148 2012-10-01,2609.909 2013-01-01,2633.212 2013-04-01,2664.353 2013-07-01,2694.774 2013-10-01,2734.074 2014-01-01,2774.727 2014-04-01,2801.795 2014-07-01,2838.028 2014-10-01,2864.191 2015-01-01,2891.206 2015-04-01,2912.862 2015-07-01,2936.825 2015-10-01,2950.86 2016-01-01,2961.432 2016-04-01,2994.919 2016-07-01,3020.245 2016-10-01,3055.839 2017-01-01,3089.409 2017-04-01,3128.974 2017-07-01,3170.459 2017-10-01,3206.97 2018-01-01,3249.473 2018-04-01,3295.191 2018-07-01,3334.438 2018-10-01,3371.311 2019-01-01,3418.317 2019-04-01,3462.789 2019-07-01,3499.797 2019-10-01,3529.16 2020-01-01,3569.734 2020-04-01,3599.571 2020-07-01,3635.481 2020-10-01,3686.612 2021-01-01,3735.983 2021-04-01,3821.202 2021-07-01,3915.598 2021-10-01,4022.898 2022-01-01,4150.305 2022-04-01,4275.928 2022-07-01,4378.729 2022-10-01,4435.264 2023-01-01,4500.917 2023-04-01,4548.21 2023-07-01,4597.189 2023-10-01,4659.11 2024-01-01,4705.665 2024-04-01,4774.807 2024-07-01,4840.854 2024-10-01,4898.6 2025-01-01,4941.322 2025-04-01,4986.028 2025-07-01,5099.491 2025-10-01,5194.981 2026-01-01,5259.482 2026-04-01,5358.76