Year | Value | 2022 | 470,228 | 2021 | 439,868 | 2020 | 414,475 | 2019 | 395,342 | 2018 | 377,656 | 2017 | 358,182 | 2016 | 337,503 | 2015 | 316,782 | 2014 | 296,818 | 2013 | 277,842 | 2012 | 259,996 | 2011 | 243,596 | 2010 | 228,636 | 2009 | 215,102 | 2008 | 203,561 | 2007 | 194,791 | 2006 | 188,383 | 2005 | 184,947 | 2004 | 184,963 | 2003 | 187,535 | 2002 | 191,641 | 2001 | 197,500 | 2000 | 204,150 | 1999 | 209,820 | 1998 | 214,552 | 1997 | 218,083 | 1996 | 220,491 | 1995 | 221,609 | 1994 | 221,256 | 1993 | 214,429 | 1992 | 202,180 | 1991 | 189,407 | 1990 | 176,097 | 1989 | 163,503 | 1988 | 157,446 | 1987 | 156,288 | 1986 | 152,323 | 1985 | 146,608 | 1984 | 140,760 | 1983 | 135,145 | 1982 | 128,863 | 1981 | 122,472 | 1980 | 110,577 | 1979 | 101,514 | 1978 | 103,737 | 1977 | 106,585 | 1976 | 106,853 | 1975 | 105,998 | 1974 | 104,993 | 1973 | 104,098 | 1972 | 103,360 | 1971 | 102,333 | 1970 | 100,786 | 1969 | 98,395 | 1968 | 95,039 | 1967 | 91,409 | 1966 | 88,414 | 1965 | 86,521 | 1964 | 85,596 | 1963 | 85,673 | 1962 | 86,317 | 1961 | 86,400 | 1960 | 85,262 |
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