| Year | Value | | 2022 | 142,356 | | 2021 | 140,211 | | 2020 | 136,810 | | 2019 | 131,945 | | 2018 | 126,450 | | 2017 | 121,194 | | 2016 | 116,283 | | 2015 | 111,955 | | 2014 | 108,019 | | 2013 | 104,241 | | 2012 | 100,986 | | 2011 | 98,348 | | 2010 | 95,979 | | 2009 | 93,831 | | 2008 | 91,757 | | 2007 | 89,800 | | 2006 | 88,074 | | 2005 | 86,618 | | 2004 | 85,378 | | 2003 | 84,236 | | 2002 | 83,117 | | 2001 | 81,892 | | 2000 | 80,485 | | 1999 | 79,114 | | 1998 | 78,062 | | 1997 | 77,007 | | 1996 | 75,711 | | 1995 | 74,214 | | 1994 | 72,545 | | 1993 | 70,635 | | 1992 | 68,447 | | 1991 | 66,002 | | 1990 | 63,296 | | 1989 | 60,273 | | 1988 | 57,009 | | 1987 | 53,847 | | 1986 | 51,066 | | 1985 | 48,734 | | 1984 | 46,719 | | 1983 | 44,853 | | 1982 | 43,235 | | 1981 | 41,909 | | 1980 | 40,720 | | 1979 | 39,582 | | 1978 | 38,415 | | 1977 | 37,193 | | 1976 | 36,005 | | 1975 | 34,814 | | 1974 | 33,620 | | 1973 | 32,483 | | 1972 | 31,455 | | 1971 | 30,607 | | 1970 | 29,894 | | 1969 | 29,253 | | 1968 | 28,622 | | 1967 | 27,982 | | 1966 | 27,266 | | 1965 | 26,409 | | 1964 | 25,481 | | 1963 | 24,569 | | 1962 | 23,682 | | 1961 | 22,899 | | 1960 | 22,333 |
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