Year | Value | 2021 | 9,684.3821234922 | 2020 | 8,619.5965963804 | 2019 | 8,759.2619041649 | 2018 | 8,660.913382632 | 2017 | 8,115.8058074052 | 2016 | 7,648.3581537634 | 2015 | 7,418.3414899942 | 2014 | 7,506.805634859 | 2013 | 7,317.2496956402 | 2012 | 7,337.4002513867 | 2011 | 6,814.1301456551 | 2010 | 5,998.414367413 | 2009 | 5,194.0267846053 | 2008 | 5,047.7244370766 | 2007 | 4,477.1560480737 | 2006 | 4,027.6925647594 | 2005 | 3,823.3272101966 | 2004 | 3,626.4640691475 | 2003 | 3,254.5662551941 | 2002 | 2,962.2701894425 | 2001 | 2,931.8251801236 | 2000 | 3,181.0451800376 | 1999 | 2,964.104984926 | 1998 | 2,677.0776007965 | 1997 | 3,069.7264654692 | 1996 | 3,277.8736739226 | 1995 | 3,438.9360940375 | 1994 | 3,050.634366033 | 1993 | 2,719.8588781757 | 1992 | 2,475.9812322054 | 1991 | 2,320.1237432533 | 1990 | 2,091.8200197353 | 1989 | 2,049.9536063993 | 1988 | 2,016.8415325237 | 1987 | 1,688.8753597404 | 1986 | 1,476.9441343939 | 1985 | 1,146.1783471153 | 1984 | 1,101.5912731961 | 1983 | 1,043.5981689147 | 1982 | 992.48303710975 | 1981 | 1,028.988759341 | 1980 | 946.65104517123 | 1979 | 903.3978085167 | 1978 | 863.6767403916 | 1977 | 691.56779007408 | 1976 | 590.51702614069 | 1975 | 548.13881815807 | 1974 | 508.89030586218 | 1973 | 455.37158343879 | 1972 | 354.02994793738 | 1971 | 293.61383167292 | 1970 | 272.69833887658 |
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