Year | Value | 2022 | 62,225 | 2021 | 61,072 | 2020 | 58,711 | 2019 | 55,765 | 2018 | 53,113 | 2017 | 51,289 | 2016 | 50,380 | 2015 | 50,217 | 2014 | 50,550 | 2013 | 50,867 | 2012 | 50,738 | 2011 | 50,025 | 2010 | 48,713 | 2009 | 46,890 | 2008 | 44,760 | 2007 | 42,589 | 2006 | 40,608 | 2005 | 38,991 | 2004 | 37,740 | 2003 | 36,743 | 2002 | 35,839 | 2001 | 34,866 | 2000 | 34,027 | 1999 | 33,010 | 1998 | 32,013 | 1997 | 31,157 | 1996 | 30,509 | 1995 | 30,063 | 1994 | 29,680 | 1993 | 29,162 | 1992 | 28,389 | 1991 | 27,415 | 1990 | 26,378 | 1989 | 24,891 | 1988 | 23,628 | 1987 | 23,058 | 1986 | 22,819 | 1985 | 22,780 | 1984 | 22,732 | 1983 | 22,535 | 1982 | 22,089 | 1981 | 21,392 | 1980 | 20,486 | 1979 | 19,407 | 1978 | 18,288 | 1977 | 17,228 | 1976 | 16,366 | 1975 | 15,860 | 1974 | 15,768 | 1973 | 16,036 | 1972 | 16,479 | 1971 | 16,875 | 1970 | 17,034 | 1969 | 16,774 | 1968 | 16,084 | 1967 | 15,210 | 1966 | 14,361 | 1965 | 13,688 | 1964 | 13,327 | 1963 | 13,288 | 1962 | 13,483 | 1961 | 13,762 | 1960 | 13,989 |
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