date,value 1947-01-01,24.818 1947-04-01,25.171 1947-07-01,25.361 1947-10-01,26.54 1948-01-01,28.231 1948-04-01,28.05 1948-07-01,29.081 1948-10-01,30.16 1949-01-01,28.583 1949-04-01,27.476 1949-07-01,26.112 1949-10-01,25.628 1950-01-01,26.386 1950-04-01,28.855 1950-07-01,31.91 1950-10-01,32.919 1951-01-01,33.139 1951-04-01,34.124 1951-07-01,34.843 1951-10-01,34.642 1952-01-01,35.131 1952-04-01,35.765 1952-07-01,32.892 1952-10-01,35.816 1953-01-01,37.791 1953-04-01,38.465 1953-07-01,39.614 1953-10-01,39.2 1954-01-01,38.332 1954-04-01,38.159 1954-07-01,38.879 1954-10-01,38.89 1955-01-01,39.48 1955-04-01,42.063 1955-07-01,44.826 1955-10-01,47.085 1956-01-01,47.772 1956-04-01,49.062 1956-07-01,50.746 1956-10-01,51.41 1957-01-01,52.465 1957-04-01,52.64 1957-07-01,54.066 1957-10-01,53.215 1958-01-01,49.369 1958-04-01,47.83 1958-07-01,47.435 1958-10-01,49.332 1959-01-01,50.942 1959-04-01,52.735 1959-07-01,54.421 1959-10-01,54.398 1960-01-01,56.322 1960-04-01,57.188 1960-07-01,56.165 1960-10-01,55.882 1961-01-01,55.012 1961-04-01,56.198 1961-07-01,56.712 1961-10-01,58.473 1962-01-01,59.656 1962-04-01,61.356 1962-07-01,62.101 1962-10-01,61.819 1963-01-01,61.973 1963-04-01,63.883 1963-07-01,65.712 1963-10-01,67.669 1964-01-01,69.113 1964-04-01,71.075 1964-07-01,73.406 1964-10-01,75.324 1965-01-01,80.23 1965-04-01,83.382 1965-07-01,86.686 1965-10-01,90.645 1966-01-01,94.382 1966-04-01,96.823 1966-07-01,98.325 1966-10-01,99.163 1967-01-01,97.999 1967-04-01,98.297 1967-07-01,98.785 1967-10-01,101.744 1968-01-01,105.582 1968-04-01,105.299 1968-07-01,107.609 1968-10-01,112.182 1969-01-01,115.993 1969-04-01,118.368 1969-07-01,122.408 1969-10-01,123.284 1970-01-01,123.796 1970-04-01,125.008 1970-07-01,126.255 1970-10-01,123.52 1971-01-01,126.281 1971-04-01,129.481 1971-07-01,131.19 1971-10-01,134.711 1972-01-01,140.585 1972-04-01,143.976 1972-07-01,147.015 1972-10-01,154.967 1973-01-01,162.839 1973-04-01,171.283 1973-07-01,176.642 1973-10-01,180.142 1974-01-01,183.404 1974-04-01,188.818 1974-07-01,194.485 1974-10-01,197.569 1975-01-01,193.137 1975-04-01,193.276 1975-07-01,197.807 1975-10-01,202.883 1976-01-01,209.504 1976-04-01,215.008 1976-07-01,222.627 1976-10-01,230.244 1977-01-01,243.278 1977-04-01,253.749 1977-07-01,263.268 1977-10-01,275.943 1978-01-01,282.424 1978-04-01,309.351 1978-07-01,325.1 1978-10-01,341.428 1979-01-01,356.695 1979-04-01,364.268 1979-07-01,383.003 1979-10-01,391.332 1980-01-01,404.492 1980-04-01,394.68 1980-07-01,405.717 1980-10-01,422.755 1981-01-01,443.025 1981-04-01,462.864 1981-07-01,482.109 1981-10-01,503.755 1982-01-01,500.083 1982-04-01,490.069 1982-07-01,478.723 1982-10-01,471.521 1983-01-01,462.106 1983-04-01,466.455 1983-07-01,485.371 1983-10-01,514.687 1984-01-01,531.465 1984-04-01,558.274 1984-07-01,576.642 1984-10-01,590.903 1985-01-01,599.417 1985-04-01,609.088 1985-07-01,604.432 1985-10-01,618.067 1986-01-01,613.525 1986-04-01,605.016 1986-07-01,601.964 1986-10-01,610.553 1987-01-01,596.551 1987-04-01,608.371 1987-07-01,625.48 1987-10-01,630.552 1988-01-01,641.498 1988-04-01,659.366 1988-07-01,666.332 1988-10-01,681.924 1989-01-01,696.466 1989-04-01,708.998 1989-07-01,731.137 1989-10-01,727.373 1990-01-01,740.88 1990-04-01,734.124 1990-07-01,744.412 1990-10-01,737.519 1991-01-01,729.8 1991-04-01,726.787 1991-07-01,720.15 1991-10-01,717.6 1992-01-01,714.208 1992-04-01,736.717 1992-07-01,748.536 1992-10-01,768.287 1993-01-01,776.488 1993-04-01,792.371 1993-07-01,798.315 1993-10-01,829.642 1994-01-01,840.715 1994-04-01,855.609 1994-07-01,872.098 1994-10-01,906.989 1995-01-01,944.62 1995-04-01,956.779 1995-07-01,965.53 1995-10-01,982.059 1996-01-01,1003.747 1996-04-01,1026.468 1996-07-01,1058.965 1996-10-01,1083.597 1997-01-01,1107.299 1997-04-01,1129.567 1997-07-01,1178.364 1997-10-01,1181.123 1998-01-01,1212.378 1998-04-01,1247.103 1998-07-01,1261.652 1998-10-01,1295.444 1999-01-01,1322.305 1999-04-01,1353.96 1999-07-01,1386.594 1999-10-01,1395.049 2000-01-01,1450.25 2000-04-01,1498.729 2000-07-01,1519.657 2000-10-01,1525.091 2001-01-01,1505.248 2001-04-01,1473.585 2001-07-01,1452.58 2001-10-01,1408.856 2002-01-01,1374.027 2002-04-01,1357.267 2002-07-01,1348.884 2002-10-01,1331.215 2003-01-01,1332.696 2003-04-01,1366.842 2003-07-01,1392.121 2003-10-01,1411.859 2004-01-01,1401.83 2004-04-01,1445.457 2004-07-01,1490.495 2004-10-01,1531.693 2005-01-01,1568.306 2005-04-01,1603.838 2005-07-01,1643.13 2005-10-01,1668.669 2006-01-01,1735.308 2006-04-01,1774.4 2006-07-01,1815.947 2006-10-01,1849.549 2007-01-01,1892.034 2007-04-01,1937.718 2007-07-01,1967.377 2007-10-01,1997.123 2008-01-01,2013.699 2008-04-01,2024.039 2008-07-01,2007.007 2008-10-01,1918.738 2009-01-01,1761.401 2009-04-01,1684.966 2009-07-01,1656.037 2009-10-01,1659.323 2010-01-01,1659.963 2010-04-01,1715.746 2010-07-01,1762.364 2010-10-01,1801.85 2011-01-01,1805.118 2011-04-01,1862.009 2011-07-01,1953.756 2011-10-01,2008.976 2012-01-01,2073.366 2012-04-01,2126.171 2012-07-01,2125.95 2012-10-01,2148.622 2013-01-01,2175.318 2013-04-01,2188.629 2013-07-01,2230.759 2013-10-01,2290.541 2014-01-01,2335.499 2014-04-01,2407.208 2014-07-01,2465.578 2014-10-01,2492.333 2015-01-01,2497.171 2015-04-01,2510.545 2015-07-01,2521.879 2015-10-01,2500.42 2016-01-01,2488.836 2016-04-01,2511.643 2016-07-01,2543.679 2016-10-01,2571.821 2017-01-01,2603.148 2017-04-01,2640.229 2017-07-01,2668.855 2017-10-01,2732.168 2018-01-01,2810.324 2018-04-01,2846.516 2018-07-01,2870.365 2018-10-01,2898.677 2019-01-01,2932.41 2019-04-01,3000.782 2019-07-01,3031.12 2019-10-01,3010.301 2020-01-01,2965.479 2020-04-01,2736.487 2020-07-01,2852.508 2020-10-01,2938.775 2021-01-01,3006.014 2021-04-01,3079.63 2021-07-01,3095.642 2021-10-01,3174.406 2022-01-01,3314.05 2022-04-01,3435.651 2022-07-01,3547.887 2022-10-01,3645.358 2023-01-01,3771.562 2023-04-01,3868.43 2023-07-01,3889.994 2023-10-01,3968.98 2024-01-01,4010.791 2024-04-01,4061.788 2024-07-01,4143.523 2024-10-01,4149.189 2025-01-01,4247.243 2025-04-01,4321.643 2025-07-01,4412.236 2025-10-01,4482.556 2026-01-01,4597.4 2026-04-01,4737.171