Year | Value | 2022 | 60,054 | 2021 | 57,888 | 2020 | 55,096 | 2019 | 51,917 | 2018 | 49,130 | 2017 | 46,729 | 2016 | 44,436 | 2015 | 42,587 | 2014 | 41,262 | 2013 | 40,253 | 2012 | 39,597 | 2011 | 39,597 | 2010 | 39,617 | 2009 | 39,073 | 2008 | 38,268 | 2007 | 37,125 | 2006 | 35,985 | 2005 | 35,054 | 2004 | 34,123 | 2003 | 33,230 | 2002 | 32,443 | 2001 | 31,654 | 2000 | 30,752 | 1999 | 29,835 | 1998 | 28,888 | 1997 | 27,894 | 1996 | 27,095 | 1995 | 26,277 | 1994 | 25,489 | 1993 | 24,358 | 1992 | 24,274 | 1991 | 26,775 | 1990 | 28,790 | 1989 | 29,391 | 1988 | 30,476 | 1987 | 30,941 | 1986 | 30,142 | 1985 | 29,161 | 1984 | 28,190 | 1983 | 27,313 | 1982 | 26,551 | 1981 | 26,547 | 1980 | 26,429 | 1979 | 24,323 | 1978 | 21,539 | 1977 | 20,112 | 1976 | 19,638 | 1975 | 19,208 | 1974 | 18,787 | 1973 | 18,324 | 1972 | 17,816 | 1971 | 17,322 | 1970 | 16,844 | 1969 | 16,378 | 1968 | 15,923 | 1967 | 15,472 | 1966 | 15,003 | 1965 | 14,504 | 1964 | 13,976 | 1963 | 13,415 | 1962 | 12,831 | 1961 | 12,264 | 1960 | 11,734 |
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