| Year | Value | | 2022 | 1,891,246,759 | | 2021 | 1,865,132,081 | | 2020 | 1,837,112,659 | | 2019 | 1,806,562,909 | | 2018 | 1,773,429,059 | | 2017 | 1,738,922,085 | | 2016 | 1,703,488,904 | | 2015 | 1,668,165,415 | | 2014 | 1,632,513,866 | | 2013 | 1,596,608,706 | | 2012 | 1,560,561,017 | | 2011 | 1,525,070,586 | | 2010 | 1,490,601,194 | | 2009 | 1,455,698,478 | | 2008 | 1,420,790,350 | | 2007 | 1,386,533,418 | | 2006 | 1,353,628,465 | | 2005 | 1,320,241,717 | | 2004 | 1,286,187,550 | | 2003 | 1,252,595,323 | | 2002 | 1,219,428,366 | | 2001 | 1,186,632,948 | | 2000 | 1,155,288,133 | | 1999 | 1,125,465,525 | | 1998 | 1,095,877,637 | | 1997 | 1,066,254,636 | | 1996 | 1,036,938,506 | | 1995 | 1,008,071,162 | | 1994 | 979,624,936 | | 1993 | 951,377,737 | | 1992 | 923,764,967 | | 1991 | 896,499,609 | | 1990 | 869,083,974 | | 1989 | 841,763,620 | | 1988 | 815,309,555 | | 1987 | 788,494,247 | | 1986 | 762,203,633 | | 1985 | 736,845,483 | | 1984 | 712,283,760 | | 1983 | 688,291,994 | | 1982 | 664,857,894 | | 1981 | 640,556,215 | | 1980 | 617,516,276 | | 1979 | 595,356,072 | | 1978 | 573,458,377 | | 1977 | 554,988,092 | | 1976 | 539,907,221 | | 1975 | 524,885,661 | | 1974 | 509,438,348 | | 1973 | 493,797,741 | | 1972 | 479,108,918 | | 1971 | 465,452,532 | | 1970 | 451,834,574 | | 1969 | 438,688,590 | | 1968 | 425,828,808 | | 1967 | 413,397,809 | | 1966 | 401,304,169 | | 1965 | 389,512,351 | | 1964 | 378,377,937 | | 1963 | 362,260,001 | | 1962 | 346,588,356 | | 1961 | 333,348,282 | | 1960 | 322,574,019 |
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