Year | Value | 2022 | 64,529 | 2021 | 63,022 | 2020 | 61,416 | 2019 | 59,871 | 2018 | 58,357 | 2017 | 56,873 | 2016 | 55,552 | 2015 | 54,261 | 2014 | 53,079 | 2013 | 51,797 | 2012 | 50,331 | 2011 | 48,880 | 2010 | 47,316 | 2009 | 45,756 | 2008 | 44,106 | 2007 | 42,517 | 2006 | 41,360 | 2005 | 40,147 | 2004 | 39,201 | 2003 | 38,235 | 2002 | 37,475 | 2001 | 37,282 | 2000 | 37,444 | 1999 | 37,498 | 1998 | 37,138 | 1997 | 36,731 | 1996 | 36,115 | 1995 | 34,562 | 1994 | 32,942 | 1993 | 31,983 | 1992 | 31,081 | 1991 | 33,002 | 1990 | 34,821 | 1989 | 34,041 | 1988 | 33,225 | 1987 | 32,383 | 1986 | 31,526 | 1985 | 30,650 | 1984 | 29,749 | 1983 | 28,802 | 1982 | 27,839 | 1981 | 26,914 | 1980 | 26,052 | 1979 | 25,239 | 1978 | 24,475 | 1977 | 23,756 | 1976 | 23,062 | 1975 | 22,378 | 1974 | 21,708 | 1973 | 21,057 | 1972 | 20,422 | 1971 | 19,812 | 1970 | 19,234 | 1969 | 18,686 | 1968 | 18,166 | 1967 | 17,667 | 1966 | 17,178 | 1965 | 16,696 | 1964 | 16,222 | 1963 | 15,753 | 1962 | 15,300 | 1961 | 14,880 | 1960 | 14,503 |
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