Year | Value | 2022 | 914,233,426 | 2021 | 913,922,034 | 2020 | 912,512,768 | 2019 | 907,052,479 | 2018 | 902,324,318 | 2017 | 897,125,074 | 2016 | 891,748,308 | 2015 | 885,810,456 | 2014 | 879,980,930 | 2013 | 874,169,758 | 2012 | 868,544,525 | 2011 | 863,058,781 | 2010 | 858,450,100 | 2009 | 851,509,459 | 2008 | 844,082,403 | 2007 | 835,817,852 | 2006 | 827,660,842 | 2005 | 819,758,200 | 2004 | 811,888,035 | 2003 | 803,847,286 | 2002 | 795,862,783 | 2001 | 787,725,024 | 2000 | 780,442,277 | 1999 | 774,359,897 | 1998 | 768,407,739 | 1997 | 762,399,502 | 1996 | 756,203,179 | 1995 | 749,721,668 | 1994 | 743,218,984 | 1993 | 736,442,275 | 1992 | 729,222,431 | 1991 | 721,709,744 | 1990 | 713,967,281 | 1989 | 707,309,865 | 1988 | 700,914,217 | 1987 | 694,512,993 | 1986 | 688,183,280 | 1985 | 682,340,785 | 1984 | 676,976,249 | 1983 | 671,576,655 | 1982 | 665,825,990 | 1981 | 659,607,594 | 1980 | 652,650,099 | 1979 | 645,830,060 | 1978 | 638,864,859 | 1977 | 632,146,390 | 1976 | 625,506,236 | 1975 | 618,731,240 | 1974 | 610,880,267 | 1973 | 602,619,499 | 1972 | 594,217,004 | 1971 | 585,469,340 | 1970 | 575,533,408 | 1969 | 566,349,249 | 1968 | 557,009,555 | 1967 | 547,502,237 | 1966 | 537,839,847 | 1965 | 528,072,941 | 1964 | 517,967,150 | 1963 | 507,824,202 | 1962 | 497,704,338 | 1961 | 487,694,587 | 1960 | 477,991,800 |
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