Year | Value | 2023 | 2,916.4860939738 | 2022 | 2,787.7608964044 | 2021 | 2,723.9665910466 | 2020 | 2,624.8432372376 | 2019 | 2,661.1832856131 | 2018 | 2,640.4164383127 | 2017 | 2,610.1661356994 | 2016 | 2,592.6133730382 | 2015 | 2,628.0976910972 | 2014 | 2,690.2149503596 | 2013 | 2,600.6722276474 | 2012 | 2,530.977463284 | 2011 | 2,458.5587934385 | 2010 | 2,398.6080179924 | 2009 | 2,217.7900284866 | 2008 | 2,249.325359457 | 2007 | 2,185.7487619352 | 2006 | 2,089.1749853871 | 2005 | 2,031.5060795389 | 2004 | 1,970.4158655017 | 2003 | 1,894.6290955431 | 2002 | 1,817.1354011219 | 2001 | 1,756.81160837 | 2000 | 1,905.7710269775 | 1999 | 1,839.6070932548 | 1998 | 1,815.0308949259 | 1997 | 1,768.199127311 | 1996 | 1,691.319663984 | 1995 | 1,637.2762882421 | 1994 | 1,568.4110795814 | 1993 | 1,538.1271764265 | 1992 | 1,493.909460257 | 1991 | 1,485.4777076646 | 1990 | 1,459.3891403299 | 1989 | 1,448.2027026728 | 1988 | 1,417.6678339979 | 1987 | 1,366.0400162875 | 1986 | 1,352.2763391869 | 1985 | 1,280.7677227112 | 1984 | 1,206.1161627315 | 1983 | 1,108.8289900622 | 1982 | 1,052.4163223015 | 1981 | 1,017.4902194334 | 1980 | 1,012.346921449 | 1979 | 937.70256923628 | 1978 | 856.73177299887 | 1977 | 787.0721610182 | 1976 | 719.31395533585 | 1975 | 649.05484425625 |
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