| Year | Value | | 2021 | 37,065,481,265.892 | | 2020 | 33,694,392,977.417 | | 2019 | 32,359,713,829.91 | | 2018 | 32,480,898,289.618 | | 2017 | 29,270,129,659.751 | | 2016 | 27,569,000,248.287 | | 2015 | 26,126,342,417.538 | | 2014 | 29,222,207,040.086 | | 2013 | 26,529,433,377.688 | | 2012 | 23,348,899,791.737 | | 2011 | 23,915,383,384.658 | | 2010 | 21,818,986,588.387 | | 2009 | 22,751,624,879.447 | | 2008 | 21,581,006,715.836 | | 2007 | 18,969,757,358.693 | | 2006 | 16,877,066,649.592 | | 2005 | 15,715,957,536.62 | | 2004 | 15,664,636,082.177 | | 2003 | 13,053,089,712.379 | | 2002 | 9,880,691,886.9498 | | 2001 | 8,619,046,990.7973 | | 2000 | 8,177,309,914.5267 | | 1999 | 9,440,392,087.3031 | | 1998 | 9,121,307,646.5292 | | 1997 | 8,287,512,791.4384 | | 1996 | 8,515,409,049.5708 | | 1995 | 8,371,797,946.4805 | | 1994 | 6,873,257,902.2091 | | 1993 | 13,226,678,298.25 | | 1992 | 9,403,212,511.116 | | 1991 | 9,157,339,725.3476 | | 1990 | 9,418,010,961.7835 | | 1989 | 8,927,286,568.7249 | | 1988 | 10,696,293,273.991 | | 1987 | 11,241,757,875.103 | | 1986 | 10,620,233,614.568 | | 1985 | 6,987,249,089.3171 | | 1984 | 6,007,496,024.294 | | 1983 | 5,567,445,514.5569 | | 1982 | 5,378,091,008.0129 | | 1981 | 4,926,693,995.1076 | | 1980 | 4,414,089,507.9267 | | 1979 | 4,671,942,208.9848 | | 1978 | 3,703,360,699.9726 | | 1977 | 2,158,623,075.2804 | | 1976 | 2,200,612,037.1217 | | 1975 | 2,168,767,473.5522 | | 1974 | 1,596,008,477.4071 | | 1973 | 1,423,086,011.4239 | | 1972 | 1,242,770,059.4901 | | 1971 | 1,025,962,286.2101 |
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