| Year | Value | | 2022 | 188,955 | | 2021 | 183,676 | | 2020 | 172,712 | | 2019 | 158,306 | | 2018 | 143,156 | | 2017 | 128,975 | | 2016 | 118,157 | | 2015 | 113,675 | | 2014 | 112,667 | | 2013 | 113,434 | | 2012 | 116,619 | | 2011 | 119,056 | | 2010 | 119,584 | | 2009 | 118,779 | | 2008 | 118,737 | | 2007 | 117,750 | | 2006 | 116,365 | | 2005 | 116,121 | | 2004 | 115,365 | | 2003 | 111,645 | | 2002 | 108,434 | | 2001 | 105,120 | | 2000 | 100,558 | | 1999 | 95,875 | | 1998 | 91,908 | | 1997 | 88,676 | | 1996 | 85,643 | | 1995 | 78,086 | | 1994 | 72,405 | | 1993 | 67,874 | | 1992 | 64,057 | | 1991 | 61,448 | | 1990 | 60,037 | | 1989 | 59,211 | | 1988 | 58,347 | | 1987 | 57,687 | | 1986 | 56,044 | | 1985 | 53,346 | | 1984 | 50,574 | | 1983 | 48,002 | | 1982 | 44,751 | | 1981 | 40,842 | | 1980 | 36,225 | | 1979 | 32,399 | | 1978 | 28,625 | | 1977 | 26,157 | | 1976 | 24,148 | | 1975 | 22,668 | | 1974 | 21,579 | | 1973 | 20,562 | | 1972 | 19,659 | | 1971 | 18,642 | | 1970 | 16,898 | | 1969 | 14,705 | | 1968 | 12,897 | | 1967 | 11,490 | | 1966 | 10,467 | | 1965 | 9,911 | | 1964 | 9,345 | | 1963 | 8,871 | | 1962 | 8,294 | | 1961 | 7,611 | | 1960 | 6,935 |
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