Year | Value | 2022 | 44,795 | 2021 | 45,344 | 2020 | 45,851 | 2019 | 45,481 | 2018 | 44,425 | 2017 | 43,454 | 2016 | 42,496 | 2015 | 41,420 | 2014 | 40,150 | 2013 | 38,973 | 2012 | 38,057 | 2011 | 37,183 | 2010 | 36,336 | 2009 | 35,496 | 2008 | 34,668 | 2007 | 33,842 | 2006 | 33,061 | 2005 | 32,335 | 2004 | 31,601 | 2003 | 30,851 | 2002 | 30,088 | 2001 | 29,326 | 2000 | 28,588 | 1999 | 27,850 | 1998 | 27,098 | 1997 | 26,340 | 1996 | 25,591 | 1995 | 24,851 | 1994 | 24,119 | 1993 | 23,390 | 1992 | 22,679 | 1991 | 21,991 | 1990 | 21,301 | 1989 | 20,611 | 1988 | 19,956 | 1987 | 19,297 | 1986 | 18,625 | 1985 | 17,965 | 1984 | 17,309 | 1983 | 16,740 | 1982 | 16,565 | 1981 | 16,328 | 1980 | 15,588 | 1979 | 14,925 | 1978 | 14,437 | 1977 | 13,978 | 1976 | 13,585 | 1975 | 13,156 | 1974 | 12,684 | 1973 | 12,220 | 1972 | 11,767 | 1971 | 11,332 | 1970 | 10,914 | 1969 | 10,511 | 1968 | 10,116 | 1967 | 9,734 | 1966 | 9,365 | 1965 | 9,010 | 1964 | 8,669 | 1963 | 8,338 | 1962 | 8,016 | 1961 | 7,785 | 1960 | 7,639 |
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