Year | Value | 2022 | 75,505 | 2021 | 71,580 | 2020 | 69,206 | 2019 | 66,162 | 2018 | 63,849 | 2017 | 61,669 | 2016 | 58,806 | 2015 | 55,588 | 2014 | 53,025 | 2013 | 50,994 | 2012 | 49,535 | 2011 | 48,730 | 2010 | 48,363 | 2009 | 48,042 | 2008 | 47,935 | 2007 | 47,901 | 2006 | 47,456 | 2005 | 46,548 | 2004 | 45,659 | 2003 | 44,566 | 2002 | 43,158 | 2001 | 41,757 | 2000 | 40,618 | 1999 | 39,205 | 1998 | 37,600 | 1997 | 35,887 | 1996 | 34,369 | 1995 | 33,124 | 1994 | 32,350 | 1993 | 32,225 | 1992 | 32,256 | 1991 | 31,939 | 1990 | 30,301 | 1989 | 29,757 | 1988 | 29,099 | 1987 | 28,439 | 1986 | 27,524 | 1985 | 26,749 | 1984 | 25,861 | 1983 | 24,945 | 1982 | 24,036 | 1981 | 23,442 | 1980 | 23,004 | 1979 | 22,350 | 1978 | 21,543 | 1977 | 20,656 | 1976 | 19,803 | 1975 | 18,872 | 1974 | 17,913 | 1973 | 17,252 | 1972 | 16,836 | 1971 | 16,558 | 1970 | 16,523 | 1969 | 16,776 | 1968 | 17,204 | 1967 | 17,582 | 1966 | 17,758 | 1965 | 17,955 | 1964 | 18,269 | 1963 | 18,543 | 1962 | 18,748 | 1961 | 18,707 | 1960 | 18,685 |
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