Year | Value | 2022 | 105,886 | 2021 | 101,720 | 2020 | 96,715 | 2019 | 91,118 | 2018 | 85,334 | 2017 | 79,821 | 2016 | 74,767 | 2015 | 70,168 | 2014 | 65,849 | 2013 | 61,605 | 2012 | 57,147 | 2011 | 52,232 | 2010 | 47,006 | 2009 | 41,880 | 2008 | 37,443 | 2007 | 34,564 | 2006 | 33,823 | 2005 | 35,129 | 2004 | 37,959 | 2003 | 41,385 | 2002 | 44,243 | 2001 | 45,777 | 2000 | 45,887 | 1999 | 44,913 | 1998 | 43,341 | 1997 | 41,726 | 1996 | 40,608 | 1995 | 40,154 | 1994 | 40,276 | 1993 | 40,758 | 1992 | 41,085 | 1991 | 40,710 | 1990 | 39,438 | 1989 | 37,229 | 1988 | 34,340 | 1987 | 31,117 | 1986 | 27,817 | 1985 | 24,916 | 1984 | 22,587 | 1983 | 20,844 | 1982 | 19,701 | 1981 | 19,056 | 1980 | 18,831 | 1979 | 19,063 | 1978 | 19,828 | 1977 | 20,935 | 1976 | 21,954 | 1975 | 22,641 | 1974 | 23,022 | 1973 | 23,064 | 1972 | 22,834 | 1971 | 22,607 | 1970 | 22,527 | 1969 | 22,544 | 1968 | 22,646 | 1967 | 22,789 | 1966 | 22,794 | 1965 | 22,535 | 1964 | 22,026 | 1963 | 21,278 | 1962 | 20,364 | 1961 | 19,494 | 1960 | 18,820 |
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