| Year | Value | | 2022 | 7,950,946,801 | | 2021 | 7,888,305,693 | | 2020 | 7,820,205,606 | | 2019 | 7,741,774,583 | | 2018 | 7,660,371,127 | | 2017 | 7,576,441,961 | | 2016 | 7,490,415,449 | | 2015 | 7,403,850,164 | | 2014 | 7,317,040,295 | | 2013 | 7,229,303,088 | | 2012 | 7,141,386,257 | | 2011 | 7,054,044,372 | | 2010 | 6,969,985,525 | | 2009 | 6,885,663,352 | | 2008 | 6,801,440,971 | | 2007 | 6,717,567,584 | | 2006 | 6,635,110,367 | | 2005 | 6,552,700,448 | | 2004 | 6,470,924,346 | | 2003 | 6,389,462,496 | | 2002 | 6,308,140,970 | | 2001 | 6,226,348,086 | | 2000 | 6,144,321,462 | | 1999 | 6,062,288,850 | | 1998 | 5,979,726,559 | | 1997 | 5,896,055,962 | | 1996 | 5,811,580,202 | | 1995 | 5,726,736,488 | | 1994 | 5,642,046,034 | | 1993 | 5,556,623,321 | | 1992 | 5,470,164,577 | | 1991 | 5,382,536,929 | | 1990 | 5,293,395,467 | | 1989 | 5,202,582,534 | | 1988 | 5,113,387,878 | | 1987 | 5,024,289,346 | | 1986 | 4,936,006,502 | | 1985 | 4,850,076,923 | | 1984 | 4,766,640,881 | | 1983 | 4,684,875,627 | | 1982 | 4,602,701,335 | | 1981 | 4,520,917,350 | | 1980 | 4,442,348,279 | | 1979 | 4,365,742,277 | | 1978 | 4,289,795,862 | | 1977 | 4,215,826,364 | | 1976 | 4,143,091,942 | | 1975 | 4,070,022,249 | | 1974 | 3,995,888,368 | | 1973 | 3,920,017,410 | | 1972 | 3,843,607,574 | | 1971 | 3,767,930,001 | | 1970 | 3,690,209,960 | | 1969 | 3,614,572,835 | | 1968 | 3,540,164,023 | | 1967 | 3,468,370,526 | | 1966 | 3,398,480,280 | | 1965 | 3,328,209,022 | | 1964 | 3,260,441,925 | | 1963 | 3,193,428,894 | | 1962 | 3,126,849,612 | | 1961 | 3,072,421,801 | | 1960 | 3,031,474,234 |
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