Year | Value | 2022 | 1,336,718 | 2021 | 1,351,568 | 2020 | 1,394,163 | 2019 | 1,445,725 | 2018 | 1,492,570 | 2017 | 1,522,850 | 2016 | 1,541,578 | 2015 | 1,526,995 | 2014 | 1,475,325 | 2013 | 1,415,270 | 2012 | 1,345,702 | 2011 | 1,267,488 | 2010 | 1,184,433 | 2009 | 1,099,708 | 2008 | 1,019,544 | 2007 | 948,995 | 2006 | 891,706 | 2005 | 852,593 | 2004 | 833,795 | 2003 | 831,616 | 2002 | 839,078 | 2001 | 849,067 | 2000 | 854,545 | 1999 | 851,451 | 1998 | 843,288 | 1997 | 829,780 | 1996 | 820,889 | 1995 | 821,449 | 1994 | 818,849 | 1993 | 810,613 | 1992 | 800,353 | 1991 | 780,041 | 1990 | 748,297 | 1989 | 714,989 | 1988 | 680,675 | 1987 | 645,571 | 1986 | 610,261 | 1985 | 596,249 | 1984 | 598,732 | 1983 | 596,487 | 1982 | 591,612 | 1981 | 583,462 | 1980 | 569,065 | 1979 | 550,237 | 1978 | 533,411 | 1977 | 518,350 | 1976 | 505,396 | 1975 | 493,897 | 1974 | 482,927 | 1973 | 472,450 | 1972 | 462,326 | 1971 | 452,442 | 1970 | 443,867 | 1969 | 436,654 | 1968 | 429,713 | 1967 | 423,095 | 1966 | 416,641 | 1965 | 410,378 | 1964 | 404,343 | 1963 | 398,376 | 1962 | 392,415 | 1961 | 386,266 | 1960 | 383,590 |
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