Year | Value | 2022 | 62,724 | 2021 | 60,066 | 2020 | 57,385 | 2019 | 54,695 | 2018 | 52,861 | 2017 | 52,939 | 2016 | 54,238 | 2015 | 54,848 | 2014 | 55,030 | 2013 | 54,388 | 2012 | 52,223 | 2011 | 49,647 | 2010 | 46,774 | 2009 | 44,140 | 2008 | 41,948 | 2007 | 39,854 | 2006 | 37,918 | 2005 | 36,151 | 2004 | 34,547 | 2003 | 33,086 | 2002 | 31,757 | 2001 | 30,529 | 2000 | 29,361 | 1999 | 28,273 | 1998 | 28,006 | 1997 | 27,969 | 1996 | 27,475 | 1995 | 27,054 | 1994 | 26,404 | 1993 | 25,933 | 1992 | 25,844 | 1991 | 25,516 | 1990 | 24,968 | 1989 | 24,770 | 1988 | 25,947 | 1987 | 27,049 | 1986 | 26,752 | 1985 | 26,177 | 1984 | 25,635 | 1983 | 25,066 | 1982 | 24,410 | 1981 | 23,706 | 1980 | 23,009 | 1979 | 22,338 | 1978 | 21,693 | 1977 | 21,064 | 1976 | 20,449 | 1975 | 19,847 | 1974 | 19,250 | 1973 | 18,655 | 1972 | 18,198 | 1971 | 17,886 | 1970 | 17,789 | 1969 | 17,913 | 1968 | 18,028 | 1967 | 18,154 | 1966 | 18,385 | 1965 | 18,608 | 1964 | 18,679 | 1963 | 18,894 | 1962 | 19,253 | 1961 | 19,517 | 1960 | 19,729 |
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