Year | Value | 2022 | 35,082 | 2021 | 35,189 | 2020 | 35,247 | 2019 | 35,165 | 2018 | 34,984 | 2017 | 34,578 | 2016 | 33,951 | 2015 | 33,107 | 2014 | 32,011 | 2013 | 30,835 | 2012 | 29,838 | 2011 | 29,141 | 2010 | 28,782 | 2009 | 28,801 | 2008 | 29,048 | 2007 | 29,166 | 2006 | 29,136 | 2005 | 29,120 | 2004 | 29,141 | 2003 | 29,238 | 2002 | 29,415 | 2001 | 29,432 | 2000 | 29,279 | 1999 | 29,113 | 1998 | 28,842 | 1997 | 28,443 | 1996 | 28,051 | 1995 | 27,660 | 1994 | 27,105 | 1993 | 26,353 | 1992 | 25,472 | 1991 | 24,491 | 1990 | 23,358 | 1989 | 22,389 | 1988 | 21,714 | 1987 | 21,096 | 1986 | 20,546 | 1985 | 20,078 | 1984 | 19,444 | 1983 | 18,694 | 1982 | 18,079 | 1981 | 17,549 | 1980 | 17,092 | 1979 | 16,706 | 1978 | 16,323 | 1977 | 15,900 | 1976 | 15,498 | 1975 | 15,156 | 1974 | 14,830 | 1973 | 14,495 | 1972 | 14,150 | 1971 | 13,791 | 1970 | 13,421 | 1969 | 13,050 | 1968 | 12,682 | 1967 | 12,317 | 1966 | 11,926 | 1965 | 11,507 | 1964 | 11,090 | 1963 | 10,699 | 1962 | 10,353 | 1961 | 10,068 | 1960 | 9,832 |
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