Year | Value | 2022 | 472,777 | 2021 | 459,036 | 2020 | 442,257 | 2019 | 422,383 | 2018 | 399,591 | 2017 | 374,944 | 2016 | 350,549 | 2015 | 328,347 | 2014 | 309,216 | 2013 | 293,493 | 2012 | 280,896 | 2011 | 270,377 | 2010 | 260,648 | 2009 | 250,879 | 2008 | 241,134 | 2007 | 231,749 | 2006 | 223,441 | 2005 | 217,097 | 2004 | 213,133 | 2003 | 211,310 | 2002 | 210,766 | 2001 | 209,755 | 2000 | 207,066 | 1999 | 202,987 | 1998 | 198,129 | 1997 | 190,990 | 1996 | 167,954 | 1995 | 142,413 | 1994 | 173,568 | 1993 | 207,513 | 1992 | 200,396 | 1991 | 195,231 | 1990 | 190,527 | 1989 | 185,813 | 1988 | 179,082 | 1987 | 169,451 | 1986 | 158,377 | 1985 | 146,598 | 1984 | 135,039 | 1983 | 125,142 | 1982 | 116,068 | 1981 | 107,213 | 1980 | 100,084 | 1979 | 94,911 | 1978 | 91,638 | 1977 | 89,861 | 1976 | 89,031 | 1975 | 88,973 | 1974 | 89,604 | 1973 | 90,768 | 1972 | 92,103 | 1971 | 93,197 | 1970 | 93,731 | 1969 | 93,583 | 1968 | 92,715 | 1967 | 91,149 | 1966 | 89,555 | 1965 | 88,129 | 1964 | 86,497 | 1963 | 84,700 | 1962 | 82,541 | 1961 | 79,534 | 1960 | 75,843 |
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