Year | Value | 2022 | 43,475 | 2021 | 42,189 | 2020 | 40,877 | 2019 | 39,431 | 2018 | 37,988 | 2017 | 36,529 | 2016 | 35,050 | 2015 | 33,602 | 2014 | 32,206 | 2013 | 30,859 | 2012 | 29,568 | 2011 | 28,319 | 2010 | 27,082 | 2009 | 25,859 | 2008 | 24,467 | 2007 | 22,959 | 2006 | 21,606 | 2005 | 20,397 | 2004 | 19,325 | 2003 | 18,661 | 2002 | 18,368 | 2001 | 18,170 | 2000 | 18,037 | 1999 | 17,931 | 1998 | 17,854 | 1997 | 17,782 | 1996 | 17,677 | 1995 | 17,511 | 1994 | 17,293 | 1993 | 17,038 | 1992 | 16,736 | 1991 | 16,325 | 1990 | 15,800 | 1989 | 15,198 | 1988 | 14,498 | 1987 | 13,766 | 1986 | 13,133 | 1985 | 12,671 | 1984 | 12,376 | 1983 | 12,252 | 1982 | 12,217 | 1981 | 12,112 | 1980 | 11,816 | 1979 | 11,330 | 1978 | 10,698 | 1977 | 9,949 | 1976 | 9,197 | 1975 | 8,514 | 1974 | 7,886 | 1973 | 7,291 | 1972 | 6,794 | 1971 | 6,466 | 1970 | 6,291 | 1969 | 6,217 | 1968 | 6,237 | 1967 | 6,330 | 1966 | 6,470 | 1965 | 6,633 | 1964 | 6,814 | 1963 | 7,031 | 1962 | 7,260 | 1961 | 7,409 | 1960 | 7,437 |
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