| Year | Value | | 2022 | 80,030 | | 2021 | 75,076 | | 2020 | 70,615 | | 2019 | 69,111 | | 2018 | 69,654 | | 2017 | 68,708 | | 2016 | 66,610 | | 2015 | 63,892 | | 2014 | 60,937 | | 2013 | 57,921 | | 2012 | 54,945 | | 2011 | 52,167 | | 2010 | 49,613 | | 2009 | 47,207 | | 2008 | 45,017 | | 2007 | 43,053 | | 2006 | 41,230 | | 2005 | 39,499 | | 2004 | 37,868 | | 2003 | 36,320 | | 2002 | 34,857 | | 2001 | 33,517 | | 2000 | 32,299 | | 1999 | 31,186 | | 1998 | 30,164 | | 1997 | 29,209 | | 1996 | 28,267 | | 1995 | 27,283 | | 1994 | 26,284 | | 1993 | 25,293 | | 1992 | 24,303 | | 1991 | 23,335 | | 1990 | 22,388 | | 1989 | 21,464 | | 1988 | 20,573 | | 1987 | 19,716 | | 1986 | 18,885 | | 1985 | 18,075 | | 1984 | 17,288 | | 1983 | 16,509 | | 1982 | 15,741 | | 1981 | 15,004 | | 1980 | 14,310 | | 1979 | 13,665 | | 1978 | 13,074 | | 1977 | 12,525 | | 1976 | 11,968 | | 1975 | 11,359 | | 1974 | 10,691 | | 1973 | 9,940 | | 1972 | 9,130 | | 1971 | 8,376 | | 1970 | 7,745 | | 1969 | 7,229 | | 1968 | 6,854 | | 1967 | 6,597 | | 1966 | 6,337 | | 1965 | 5,997 | | 1964 | 5,589 | | 1963 | 5,106 | | 1962 | 4,561 | | 1961 | 4,058 | | 1960 | 3,669 |
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