| Year | Value | | 2021 | 20,708,680,377.996 | | 2020 | 16,940,185,487.606 | | 2019 | 18,445,359,299.547 | | 2018 | 18,687,632,926.499 | | 2017 | 19,697,074,401.539 | | 2016 | 19,093,348,522.416 | | 2015 | 22,203,894,537.253 | | 2014 | 21,123,800,416.407 | | 2013 | 18,463,559,179.366 | | 2012 | 16,101,426,295.701 | | 2011 | 14,457,056,018.627 | | 2010 | 15,391,908,517.369 | | 2009 | 13,047,134,054.925 | | 2008 | 20,598,035,123.177 | | 2007 | 15,367,598,680.813 | | 2006 | 12,450,732,377.491 | | 2005 | 11,329,885,626.358 | | 2004 | 10,334,003,547.434 | | 2003 | 8,170,240,656.8257 | | 2002 | 6,718,235,075.8829 | | 2001 | 6,649,991,378.299 | | 2000 | 5,792,088,257.1867 | | 1999 | 5,068,985,751.0267 | | 1998 | 4,694,685,892.5284 | | 1997 | 4,150,801,953.1225 | | 1996 | 3,941,815,622.9136 | | 1995 | 3,894,257,267.724 | | 1994 | 3,522,453,474.9887 | | 1993 | 3,344,191,579.6703 | | 1992 | 3,846,179,933.181 | | 1991 | 3,761,380,832.8302 | | 1990 | 3,304,328,078.1525 | | 1989 | 2,816,880,625.6804 | | 1988 | 3,243,840,424.0228 | | 1987 | 3,216,842,603.8819 | | 1986 | 3,629,680,283.4475 | | 1985 | 5,428,995,475.0899 | | 1984 | 5,917,463,091.9584 | | 1983 | 6,198,977,384.1623 | | 1982 | 6,754,574,214.6408 | | 1981 | 4,596,987,369.9094 | | 1980 | 3,848,878,886.4113 | | 1979 | 2,656,335,298.6744 | | 1978 | 2,651,989,513.7892 | | 1977 | 2,142,746,701.8961 | | 1976 | 1,615,529,092.5179 | | 1975 | 1,674,113,292.0089 | | 1974 | 1,126,226,194.6541 | | 1973 | 1,026,780,449.9648 | | 1972 | 848,083,940.07924 | | 1971 | 714,825,225.42729 | | 1970 | 661,929,529.99281 |
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