| Year | Value | | 2022 | 145,638 | | 2021 | 137,880 | | 2020 | 131,085 | | 2019 | 124,589 | | 2018 | 118,111 | | 2017 | 113,247 | | 2016 | 110,248 | | 2015 | 108,826 | | 2014 | 107,424 | | 2013 | 105,063 | | 2012 | 102,675 | | 2011 | 100,768 | | 2010 | 99,232 | | 2009 | 96,402 | | 2008 | 93,234 | | 2007 | 91,183 | | 2006 | 89,577 | | 2005 | 88,083 | | 2004 | 84,224 | | 2003 | 78,582 | | 2002 | 73,800 | | 2001 | 69,119 | | 2000 | 64,568 | | 1999 | 62,655 | | 1998 | 62,193 | | 1997 | 61,608 | | 1996 | 62,640 | | 1995 | 63,518 | | 1994 | 59,533 | | 1993 | 59,907 | | 1992 | 63,375 | | 1991 | 62,202 | | 1990 | 61,462 | | 1989 | 60,643 | | 1988 | 59,898 | | 1987 | 58,968 | | 1986 | 58,005 | | 1985 | 57,387 | | 1984 | 56,633 | | 1983 | 55,750 | | 1982 | 54,766 | | 1981 | 54,023 | | 1980 | 52,454 | | 1979 | 50,946 | | 1978 | 50,491 | | 1977 | 49,821 | | 1976 | 49,307 | | 1975 | 48,923 | | 1974 | 48,356 | | 1973 | 47,739 | | 1972 | 48,504 | | 1971 | 49,162 | | 1970 | 48,505 | | 1969 | 47,998 | | 1968 | 47,517 | | 1967 | 46,934 | | 1966 | 46,230 | | 1965 | 45,516 | | 1964 | 44,570 | | 1963 | 43,493 | | 1962 | 42,662 | | 1961 | 41,671 | | 1960 | 40,736 |
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