| Year | Value | | 2022 | 1,376,606,817 | | 2021 | 1,371,917,156 | | 2020 | 1,369,465,369 | | 2019 | 1,362,014,902 | | 2018 | 1,354,836,308 | | 2017 | 1,346,867,343 | | 2016 | 1,338,790,910 | | 2015 | 1,330,315,361 | | 2014 | 1,322,075,502 | | 2013 | 1,313,643,972 | | 2012 | 1,305,513,492 | | 2011 | 1,297,593,939 | | 2010 | 1,290,948,297 | | 2009 | 1,282,495,531 | | 2008 | 1,273,582,053 | | 2007 | 1,263,898,853 | | 2006 | 1,254,649,810 | | 2005 | 1,245,447,053 | | 2004 | 1,236,496,893 | | 2003 | 1,227,425,785 | | 2002 | 1,218,395,986 | | 2001 | 1,209,244,377 | | 2000 | 1,200,179,492 | | 1999 | 1,191,524,686 | | 1998 | 1,182,690,089 | | 1997 | 1,173,865,390 | | 1996 | 1,164,716,390 | | 1995 | 1,155,551,702 | | 1994 | 1,146,214,585 | | 1993 | 1,136,605,361 | | 1992 | 1,126,417,384 | | 1991 | 1,115,756,696 | | 1990 | 1,104,791,543 | | 1989 | 1,095,110,298 | | 1988 | 1,086,103,456 | | 1987 | 1,077,596,775 | | 1986 | 1,069,253,878 | | 1985 | 1,060,967,506 | | 1984 | 1,052,818,983 | | 1983 | 1,044,699,000 | | 1982 | 1,036,208,122 | | 1981 | 1,027,442,087 | | 1980 | 1,018,252,563 | | 1979 | 1,008,706,437 | | 1978 | 998,939,909 | | 1977 | 989,288,517 | | 1976 | 979,795,121 | | 1975 | 970,331,948 | | 1974 | 960,279,174 | | 1973 | 949,978,422 | | 1972 | 939,481,333 | | 1971 | 928,686,457 | | 1970 | 916,668,377 | | 1969 | 906,483,797 | | 1968 | 896,137,038 | | 1967 | 885,770,688 | | 1966 | 875,187,633 | | 1965 | 864,404,090 | | 1964 | 853,200,694 | | 1963 | 841,722,274 | | 1962 | 830,289,099 | | 1961 | 818,832,113 | | 1960 | 807,630,906 |
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