date,value 1929-01-01,9.411 1930-01-01,9.221 1931-01-01,8.55 1932-01-01,7.465 1933-01-01,7.042 1934-01-01,7.288 1935-01-01,7.324 1936-01-01,7.509 1937-01-01,8.371 1938-01-01,8.58 1939-01-01,8.59 1940-01-01,8.976 1941-01-01,9.95 1942-01-01,11.246 1943-01-01,11.539 1944-01-01,12.038 1945-01-01,12.507 1946-01-01,14.247 1947-01-01,17.735 1948-01-01,20.82 1949-01-01,22.59 1950-01-01,24.334 1951-01-01,27.746 1952-01-01,29.544 1953-01-01,31.344 1954-01-01,32.958 1955-01-01,34.995 1956-01-01,38.811 1957-01-01,42.259 1958-01-01,44.91 1959-01-01,46.819 1960-01-01,48.209 1961-01-01,49.781 1962-01-01,51.795 1963-01-01,54.158 1964-01-01,57.276 1965-01-01,61.568 1966-01-01,67.172 1967-01-01,73.327 1968-01-01,80.603 1969-01-01,89.433 1970-01-01,98.26 1971-01-01,107.635 1972-01-01,117.493 1973-01-01,131.492 1974-01-01,153.159 1975-01-01,178.79 1976-01-01,196.512 1977-01-01,221.127 1978-01-01,252.115 1979-01-01,290.733 1980-01-01,334.977 1981-01-01,381.932 1982-01-01,420.392 1983-01-01,438.788 1984-01-01,463.516 1985-01-01,496.41 1986-01-01,531.572 1987-01-01,566.309 1988-01-01,607.913 1989-01-01,649.619 1990-01-01,688.396 1991-01-01,721.456 1992-01-01,742.886 1993-01-01,778.21 1994-01-01,822.507 1995-01-01,880.728 1996-01-01,929.111 1997-01-01,987.753 1998-01-01,1052.165 1999-01-01,1132.208 2000-01-01,1231.511 2001-01-01,1311.709 2002-01-01,1361.824 2003-01-01,1411.966 2004-01-01,1497.124 2005-01-01,1622.632 2006-01-01,1751.846 2007-01-01,1852.444 2008-01-01,1931.948 2009-01-01,1928.51 2010-01-01,1933.238 2011-01-01,1997.214 2012-01-01,2081.931 2013-01-01,2176.593 2014-01-01,2301.35 2015-01-01,2397.865 2016-01-01,2475.581 2017-01-01,2599.066 2018-01-01,2737.301 2019-01-01,2879.704 2020-01-01,3005.721 2021-01-01,3211.792 2022-01-01,3576.345 2023-01-01,3801.458 2024-01-01,3999.385 2025-01-01,4213.279