Year | Value | 2022 | 53,492 | 2021 | 51,309 | 2020 | 49,195 | 2019 | 47,164 | 2018 | 45,210 | 2017 | 43,319 | 2016 | 41,522 | 2015 | 39,811 | 2014 | 38,162 | 2013 | 36,576 | 2012 | 35,067 | 2011 | 33,644 | 2010 | 32,305 | 2009 | 31,057 | 2008 | 29,880 | 2007 | 28,765 | 2006 | 27,731 | 2005 | 26,792 | 2004 | 25,951 | 2003 | 25,204 | 2002 | 24,545 | 2001 | 23,958 | 2000 | 23,425 | 1999 | 22,871 | 1998 | 22,256 | 1997 | 21,677 | 1996 | 21,140 | 1995 | 20,576 | 1994 | 20,053 | 1993 | 19,614 | 1992 | 19,166 | 1991 | 18,709 | 1990 | 18,313 | 1989 | 17,995 | 1988 | 17,766 | 1987 | 17,603 | 1986 | 17,460 | 1985 | 17,317 | 1984 | 17,168 | 1983 | 17,001 | 1982 | 16,818 | 1981 | 16,646 | 1980 | 16,495 | 1979 | 16,353 | 1978 | 16,212 | 1977 | 16,078 | 1976 | 15,954 | 1975 | 15,841 | 1974 | 15,736 | 1973 | 15,637 | 1972 | 15,545 | 1971 | 15,454 | 1970 | 15,353 | 1969 | 15,244 | 1968 | 15,154 | 1967 | 15,089 | 1966 | 15,022 | 1965 | 14,955 | 1964 | 14,888 | 1963 | 14,823 | 1962 | 14,758 | 1961 | 14,693 | 1960 | 14,630 |
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