| Year | Value | | 2022 | 125,478 | | 2021 | 119,477 | | 2020 | 113,349 | | 2019 | 107,121 | | 2018 | 101,181 | | 2017 | 95,652 | | 2016 | 90,652 | | 2015 | 86,194 | | 2014 | 82,221 | | 2013 | 78,896 | | 2012 | 76,006 | | 2011 | 73,308 | | 2010 | 70,831 | | 2009 | 68,451 | | 2008 | 65,813 | | 2007 | 63,053 | | 2006 | 60,452 | | 2005 | 57,899 | | 2004 | 55,533 | | 2003 | 53,395 | | 2002 | 51,455 | | 2001 | 49,663 | | 2000 | 48,055 | | 1999 | 46,575 | | 1998 | 45,090 | | 1997 | 43,553 | | 1996 | 41,937 | | 1995 | 40,273 | | 1994 | 38,598 | | 1993 | 36,964 | | 1992 | 35,413 | | 1991 | 33,990 | | 1990 | 32,671 | | 1989 | 31,847 | | 1988 | 31,619 | | 1987 | 31,495 | | 1986 | 31,293 | | 1985 | 30,973 | | 1984 | 30,511 | | 1983 | 29,893 | | 1982 | 29,106 | | 1981 | 28,152 | | 1980 | 26,799 | | 1979 | 25,103 | | 1978 | 23,386 | | 1977 | 21,698 | | 1976 | 20,085 | | 1975 | 18,584 | | 1974 | 17,222 | | 1973 | 16,006 | | 1972 | 14,935 | | 1971 | 14,163 | | 1970 | 13,648 | | 1969 | 13,199 | | 1968 | 12,824 | | 1967 | 12,521 | | 1966 | 12,208 | | 1965 | 11,845 | | 1964 | 11,474 | | 1963 | 11,060 | | 1962 | 10,581 | | 1961 | 10,122 | | 1960 | 9,655 |
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