Year | Value | 2022 | 46,816 | 2021 | 45,404 | 2020 | 44,003 | 2019 | 42,624 | 2018 | 41,274 | 2017 | 39,963 | 2016 | 38,691 | 2015 | 37,437 | 2014 | 36,184 | 2013 | 34,907 | 2012 | 33,591 | 2011 | 32,235 | 2010 | 30,831 | 2009 | 29,382 | 2008 | 27,902 | 2007 | 26,415 | 2006 | 24,952 | 2005 | 23,545 | 2004 | 22,213 | 2003 | 20,967 | 2002 | 19,934 | 2001 | 19,107 | 2000 | 18,357 | 1999 | 17,671 | 1998 | 17,182 | 1997 | 17,070 | 1996 | 17,260 | 1995 | 17,592 | 1994 | 17,962 | 1993 | 18,117 | 1992 | 17,868 | 1991 | 17,345 | 1990 | 16,739 | 1989 | 16,147 | 1988 | 15,600 | 1987 | 15,122 | 1986 | 14,727 | 1985 | 14,402 | 1984 | 14,129 | 1983 | 14,003 | 1982 | 13,990 | 1981 | 13,964 | 1980 | 13,898 | 1979 | 13,782 | 1978 | 13,621 | 1977 | 13,412 | 1976 | 13,180 | 1975 | 12,948 | 1974 | 12,713 | 1973 | 12,424 | 1972 | 12,076 | 1971 | 11,685 | 1970 | 11,228 | 1969 | 10,712 | 1968 | 10,138 | 1967 | 9,535 | 1966 | 8,987 | 1965 | 8,540 | 1964 | 8,179 | 1963 | 7,900 | 1962 | 7,696 | 1961 | 7,509 | 1960 | 7,304 |
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