Year | Value | 2022 | 71,226 | 2021 | 66,844 | 2020 | 62,922 | 2019 | 59,655 | 2018 | 57,534 | 2017 | 56,324 | 2016 | 55,731 | 2015 | 55,590 | 2014 | 55,595 | 2013 | 55,524 | 2012 | 55,238 | 2011 | 53,908 | 2010 | 51,683 | 2009 | 49,519 | 2008 | 47,534 | 2007 | 45,776 | 2006 | 44,317 | 2005 | 43,050 | 2004 | 41,760 | 2003 | 40,386 | 2002 | 38,275 | 2001 | 35,155 | 2000 | 31,939 | 1999 | 29,146 | 1998 | 26,668 | 1997 | 24,820 | 1996 | 21,598 | 1995 | 18,041 | 1994 | 22,365 | 1993 | 26,881 | 1992 | 25,508 | 1991 | 24,544 | 1990 | 23,888 | 1989 | 23,534 | 1988 | 23,565 | 1987 | 23,810 | 1986 | 23,991 | 1985 | 23,986 | 1984 | 23,859 | 1983 | 23,622 | 1982 | 23,105 | 1981 | 22,387 | 1980 | 21,645 | 1979 | 20,856 | 1978 | 19,986 | 1977 | 19,221 | 1976 | 18,661 | 1975 | 18,293 | 1974 | 18,128 | 1973 | 18,162 | 1972 | 18,324 | 1971 | 18,443 | 1970 | 18,397 | 1969 | 18,173 | 1968 | 17,770 | 1967 | 17,228 | 1966 | 16,721 | 1965 | 16,370 | 1964 | 16,173 | 1963 | 16,164 | 1962 | 16,254 | 1961 | 16,211 | 1960 | 15,908 |
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