| Year | Value | | 2022 | 3,012,261,787 | | 2021 | 2,992,542,390 | | 2020 | 2,968,079,880 | | 2019 | 2,940,894,165 | | 2018 | 2,911,748,802 | | 2017 | 2,881,213,602 | | 2016 | 2,849,692,439 | | 2015 | 2,818,000,184 | | 2014 | 2,785,366,093 | | 2013 | 2,751,878,740 | | 2012 | 2,718,263,821 | | 2011 | 2,685,150,682 | | 2010 | 2,652,969,359 | | 2009 | 2,621,733,405 | | 2008 | 2,591,086,351 | | 2007 | 2,560,885,199 | | 2006 | 2,531,190,152 | | 2005 | 2,500,981,853 | | 2004 | 2,470,012,159 | | 2003 | 2,438,757,076 | | 2002 | 2,407,568,096 | | 2001 | 2,375,792,474 | | 2000 | 2,342,986,045 | | 1999 | 2,309,912,888 | | 1998 | 2,276,720,198 | | 1997 | 2,242,794,289 | | 1996 | 2,208,614,996 | | 1995 | 2,174,498,304 | | 1994 | 2,140,136,410 | | 1993 | 2,105,514,516 | | 1992 | 2,070,984,654 | | 1991 | 2,035,604,764 | | 1990 | 1,998,473,411 | | 1989 | 1,959,889,018 | | 1988 | 1,922,291,125 | | 1987 | 1,884,372,670 | | 1986 | 1,846,744,952 | | 1985 | 1,810,356,684 | | 1984 | 1,775,310,998 | | 1983 | 1,740,955,489 | | 1982 | 1,706,405,991 | | 1981 | 1,671,773,327 | | 1980 | 1,638,291,796 | | 1979 | 1,606,192,177 | | 1978 | 1,575,207,934 | | 1977 | 1,544,847,539 | | 1976 | 1,514,825,888 | | 1975 | 1,484,673,403 | | 1974 | 1,454,045,387 | | 1973 | 1,422,449,167 | | 1972 | 1,390,516,058 | | 1971 | 1,359,205,886 | | 1970 | 1,327,675,519 | | 1969 | 1,296,250,655 | | 1968 | 1,265,349,574 | | 1967 | 1,235,692,061 | | 1966 | 1,206,954,440 | | 1965 | 1,178,119,585 | | 1964 | 1,150,743,337 | | 1963 | 1,123,747,946 | | 1962 | 1,096,891,408 | | 1961 | 1,076,268,946 | | 1960 | 1,062,396,743 |
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