| Year | Value | | 2022 | 265,426 | | 2021 | 252,423 | | 2020 | 240,217 | | 2019 | 228,891 | | 2018 | 218,431 | | 2017 | 209,009 | | 2016 | 200,746 | | 2015 | 193,769 | | 2014 | 188,003 | | 2013 | 182,920 | | 2012 | 178,916 | | 2011 | 175,402 | | 2010 | 171,632 | | 2009 | 168,269 | | 2008 | 165,424 | | 2007 | 162,956 | | 2006 | 160,658 | | 2005 | 158,474 | | 2004 | 155,913 | | 2003 | 153,193 | | 2002 | 150,825 | | 2001 | 148,082 | | 2000 | 144,765 | | 1999 | 142,233 | | 1998 | 140,729 | | 1997 | 139,526 | | 1996 | 139,029 | | 1995 | 138,936 | | 1994 | 137,563 | | 1993 | 134,465 | | 1992 | 130,628 | | 1991 | 126,839 | | 1990 | 123,618 | | 1989 | 121,624 | | 1988 | 121,009 | | 1987 | 121,153 | | 1986 | 121,547 | | 1985 | 121,869 | | 1984 | 122,104 | | 1983 | 122,255 | | 1982 | 122,359 | | 1981 | 122,519 | | 1980 | 122,715 | | 1979 | 122,888 | | 1978 | 122,973 | | 1977 | 122,961 | | 1976 | 122,993 | | 1975 | 123,098 | | 1974 | 123,178 | | 1973 | 123,253 | | 1972 | 123,276 | | 1971 | 123,118 | | 1970 | 122,640 | | 1969 | 121,823 | | 1968 | 120,700 | | 1967 | 119,282 | | 1966 | 117,664 | | 1965 | 115,868 | | 1964 | 113,869 | | 1963 | 111,677 | | 1962 | 109,369 | | 1961 | 107,038 | | 1960 | 104,734 |
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