Year | Value | 2021 | 4,339.4142240608 | 2020 | 3,805.9624948863 | 2019 | 4,015.6316790146 | 2018 | 3,972.933306606 | 2017 | 3,851.3415501338 | 2016 | 3,547.1659256026 | 2015 | 3,557.1048450014 | 2014 | 3,799.3086415049 | 2013 | 3,693.2225744829 | 2012 | 3,548.9883870437 | 2011 | 3,359.591456155 | 2010 | 2,972.1504337891 | 2009 | 2,523.9187977696 | 2008 | 2,587.4277689859 | 2007 | 2,220.4522431545 | 2006 | 1,810.9604659167 | 2005 | 1,543.956523948 | 2004 | 1,324.196703133 | 2003 | 1,137.575167799 | 2002 | 1,032.9072108639 | 2001 | 1,025.3825751151 | 2000 | 1,027.931186829 | 1999 | 968.08353314444 | 1998 | 1,008.1289058001 | 1997 | 1,044.4690269242 | 1996 | 998.30264310634 | 1995 | 914.81475741637 | 1994 | 813.77556460933 | 1993 | 740.96816379479 | 1992 | 695.19633452427 | 1991 | 649.63757756825 | 1990 | 630.48069579559 | 1989 | 557.38463551077 | 1988 | 537.26251184317 | 1987 | 503.46803571463 | 1986 | 508.56918924477 | 1985 | 495.02268836572 | 1984 | 487.07220031551 | 1983 | 491.93905216214 | 1982 | 523.97486643808 | 1981 | 543.48569765761 | 1980 | 476.40063510278 | 1979 | 414.03141318084 | 1978 | 368.72370348433 | 1977 | 348.41434314 | 1976 | 316.74486041311 | 1975 | 302.49159128245 | 1974 | 283.1505846254 | 1973 | 237.38605997179 | 1972 | 192.00535333884 | 1971 | 176.06733216675 | 1970 | 166.48609245536 |
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