Year | Value | 2022 | 613,096,581 | 2021 | 599,538,372 | 2020 | 585,814,607 | 2019 | 572,296,304 | 2018 | 559,191,748 | 2017 | 546,486,008 | 2016 | 534,041,859 | 2015 | 522,079,533 | 2014 | 510,891,069 | 2013 | 500,176,233 | 2012 | 489,584,539 | 2011 | 478,743,726 | 2010 | 467,949,582 | 2009 | 457,530,684 | 2008 | 447,616,440 | 2007 | 437,849,983 | 2006 | 427,909,308 | 2005 | 418,030,634 | 2004 | 408,399,434 | 2003 | 398,890,267 | 2002 | 389,174,678 | 2001 | 379,727,966 | 2000 | 371,056,374 | 1999 | 362,618,202 | 1998 | 354,299,063 | 1997 | 346,197,779 | 1996 | 338,153,642 | 1995 | 330,084,450 | 1994 | 322,026,645 | 1993 | 313,841,292 | 1992 | 305,449,058 | 1991 | 297,620,333 | 1990 | 290,526,607 | 1989 | 283,478,377 | 1988 | 276,581,790 | 1987 | 269,895,138 | 1986 | 263,206,351 | 1985 | 256,629,180 | 1984 | 250,054,267 | 1983 | 243,532,731 | 1982 | 237,159,963 | 1981 | 231,332,643 | 1980 | 226,222,862 | 1979 | 220,984,937 | 1978 | 215,319,939 | 1977 | 209,919,309 | 1976 | 204,962,188 | 1975 | 200,181,602 | 1974 | 195,299,377 | 1973 | 190,334,911 | 1972 | 185,544,081 | 1971 | 181,440,939 | 1970 | 177,487,767 | 1969 | 173,026,860 | 1968 | 168,519,661 | 1967 | 164,102,064 | 1966 | 159,858,809 | 1965 | 155,774,749 | 1964 | 151,797,072 | 1963 | 147,966,212 | 1962 | 144,278,730 | 1961 | 140,705,250 | 1960 | 137,269,372 |
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