Year | Value | 2022 | 529,720 | 2021 | 496,074 | 2020 | 496,389 | 2019 | 498,190 | 2018 | 503,503 | 2017 | 512,877 | 2016 | 526,129 | 2015 | 547,324 | 2014 | 577,993 | 2013 | 614,382 | 2012 | 653,472 | 2011 | 689,870 | 2010 | 718,795 | 2009 | 733,226 | 2008 | 733,314 | 2007 | 735,650 | 2006 | 745,843 | 2005 | 763,613 | 2004 | 791,286 | 2003 | 826,705 | 2002 | 865,342 | 2001 | 901,413 | 2000 | 921,563 | 1999 | 927,833 | 1998 | 924,893 | 1997 | 911,923 | 1996 | 901,181 | 1995 | 898,269 | 1994 | 905,609 | 1993 | 942,853 | 1992 | 1,004,078 | 1991 | 1,015,536 | 1990 | 964,595 | 1989 | 893,974 | 1988 | 803,837 | 1987 | 702,175 | 1986 | 657,252 | 1985 | 669,810 | 1984 | 683,011 | 1983 | 697,142 | 1982 | 716,378 | 1981 | 746,366 | 1980 | 785,152 | 1979 | 823,004 | 1978 | 851,377 | 1977 | 870,009 | 1976 | 882,419 | 1975 | 887,131 | 1974 | 890,713 | 1973 | 884,394 | 1972 | 858,102 | 1971 | 823,628 | 1970 | 780,885 | 1969 | 733,046 | 1968 | 694,651 | 1967 | 664,305 | 1966 | 645,973 | 1965 | 652,421 | 1964 | 679,816 | 1963 | 715,023 | 1962 | 750,263 | 1961 | 779,064 | 1960 | 796,833 |
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