| Year | Value | | 2021 | 31,712,478,522.083 | | 2020 | 31,346,995,786.809 | | 2019 | 34,324,896,354.293 | | 2018 | 33,455,764,585.102 | | 2017 | 31,357,085,228.886 | | 2016 | 29,272,435,209.451 | | 2015 | 27,893,798,723.508 | | 2014 | 25,885,822,545.294 | | 2013 | 23,523,611,178.641 | | 2012 | 20,739,116,434.962 | | 2011 | 19,102,796,512.925 | | 2010 | 16,115,928,223.921 | | 2009 | 14,560,937,016.437 | | 2008 | 13,610,291,319.558 | | 2007 | 10,395,887,625.398 | | 2006 | 8,985,631,393.7321 | | 2005 | 7,636,870,600.0907 | | 2004 | 7,201,175,131.2522 | | 2003 | 6,837,771,186.4809 | | 2002 | 6,830,884,773.3381 | | 2001 | 7,060,349,114.8576 | | 2000 | 7,181,349,407.309 | | 1999 | 7,291,037,028.749 | | 1998 | 7,653,476,160.5213 | | 1997 | 7,065,997,657.2658 | | 1996 | 6,579,394,776.059 | | 1995 | 5,926,309,410.2428 | | 1994 | 5,275,889,395.4082 | | 1993 | 5,070,381,496.85 | | 1992 | 4,978,509,843.0618 | | 1991 | 4,653,311,799.9766 | | 1990 | 4,122,530,448.3033 | | 1989 | 3,946,244,403.6698 | | 1988 | 3,871,957,670.6456 | | 1987 | 3,691,640,602.0852 | | 1986 | 3,340,052,983.9723 | | 1985 | 4,535,289,490.8198 | | 1984 | 5,141,440,696.9258 | | 1983 | 4,461,850,666.0629 | | 1982 | 4,570,787,624.1273 | | 1981 | 4,828,694,498.5596 | | 1980 | 3,545,373,467.1195 | | 1979 | 3,641,202,810.7527 | | 1978 | 3,240,939,703.8043 | | 1977 | 2,847,129,093.1801 | | 1976 | 2,459,827,648.6009 |
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