Year | Value | 2022 | 250,273 | 2021 | 251,680 | 2020 | 252,161 | 2019 | 250,614 | 2018 | 251,061 | 2017 | 260,100 | 2016 | 272,442 | 2015 | 274,918 | 2014 | 273,123 | 2013 | 266,797 | 2012 | 251,045 | 2011 | 233,902 | 2010 | 215,168 | 2009 | 198,721 | 2008 | 185,552 | 2007 | 172,894 | 2006 | 161,360 | 2005 | 151,132 | 2004 | 142,036 | 2003 | 133,947 | 2002 | 126,779 | 2001 | 120,173 | 2000 | 113,849 | 1999 | 107,879 | 1998 | 104,045 | 1997 | 101,090 | 1996 | 97,500 | 1995 | 94,186 | 1994 | 90,564 | 1993 | 88,742 | 1992 | 89,443 | 1991 | 90,276 | 1990 | 91,062 | 1989 | 93,163 | 1988 | 96,016 | 1987 | 97,743 | 1986 | 97,169 | 1985 | 95,247 | 1984 | 93,453 | 1983 | 91,672 | 1982 | 89,700 | 1981 | 87,699 | 1980 | 85,826 | 1979 | 84,054 | 1978 | 82,366 | 1977 | 80,737 | 1976 | 79,178 | 1975 | 77,697 | 1974 | 76,276 | 1973 | 74,898 | 1972 | 73,842 | 1971 | 73,103 | 1970 | 72,774 | 1969 | 72,831 | 1968 | 72,769 | 1967 | 72,585 | 1966 | 72,386 | 1965 | 71,895 | 1964 | 70,845 | 1963 | 69,790 | 1962 | 68,918 | 1961 | 67,999 | 1960 | 67,142 |
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