Year | Value | 2022 | 180,456 | 2021 | 177,289 | 2020 | 173,300 | 2019 | 168,220 | 2018 | 162,629 | 2017 | 156,183 | 2016 | 150,528 | 2015 | 147,052 | 2014 | 146,859 | 2013 | 146,704 | 2012 | 145,796 | 2011 | 145,115 | 2010 | 143,288 | 2009 | 141,103 | 2008 | 137,462 | 2007 | 133,614 | 2006 | 133,215 | 2005 | 132,516 | 2004 | 129,586 | 2003 | 122,099 | 2002 | 114,751 | 2001 | 109,510 | 2000 | 105,952 | 1999 | 105,013 | 1998 | 104,150 | 1997 | 104,600 | 1996 | 106,063 | 1995 | 99,063 | 1994 | 90,587 | 1993 | 87,297 | 1992 | 83,989 | 1991 | 89,460 | 1990 | 94,313 | 1989 | 92,496 | 1988 | 90,342 | 1987 | 88,043 | 1986 | 85,647 | 1985 | 83,147 | 1984 | 80,618 | 1983 | 77,998 | 1982 | 75,356 | 1981 | 72,768 | 1980 | 70,260 | 1979 | 67,821 | 1978 | 65,487 | 1977 | 63,254 | 1976 | 61,106 | 1975 | 59,060 | 1974 | 57,787 | 1973 | 57,164 | 1972 | 56,840 | 1971 | 57,010 | 1970 | 57,355 | 1969 | 57,083 | 1968 | 56,276 | 1967 | 55,280 | 1966 | 53,913 | 1965 | 52,508 | 1964 | 51,139 | 1963 | 49,857 | 1962 | 48,666 | 1961 | 47,536 | 1960 | 46,442 |
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