Year | Value | 2022 | 390,937 | 2021 | 374,250 | 2020 | 362,118 | 2019 | 347,431 | 2018 | 331,166 | 2017 | 315,918 | 2016 | 303,129 | 2015 | 292,366 | 2014 | 282,097 | 2013 | 271,794 | 2012 | 260,689 | 2011 | 245,269 | 2010 | 223,325 | 2009 | 197,033 | 2008 | 170,799 | 2007 | 152,480 | 2006 | 148,737 | 2005 | 160,645 | 2004 | 185,090 | 2003 | 215,379 | 2002 | 243,644 | 2001 | 262,268 | 2000 | 266,842 | 1999 | 257,434 | 1998 | 239,214 | 1997 | 219,602 | 1996 | 204,205 | 1995 | 199,582 | 1994 | 207,810 | 1993 | 221,777 | 1992 | 233,969 | 1991 | 240,900 | 1990 | 238,582 | 1989 | 227,810 | 1988 | 217,870 | 1987 | 199,666 | 1986 | 177,814 | 1985 | 156,549 | 1984 | 139,051 | 1983 | 127,251 | 1982 | 121,580 | 1981 | 119,052 | 1980 | 118,553 | 1979 | 120,775 | 1978 | 125,868 | 1977 | 132,612 | 1976 | 138,848 | 1975 | 143,255 | 1974 | 145,606 | 1973 | 145,673 | 1972 | 143,699 | 1971 | 141,207 | 1970 | 138,844 | 1969 | 135,707 | 1968 | 131,443 | 1967 | 126,840 | 1966 | 122,223 | 1965 | 117,584 | 1964 | 113,103 | 1963 | 108,968 | 1962 | 105,348 | 1961 | 102,389 | 1960 | 100,074 |
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