Year | Value | 2022 | 90,459 | 2021 | 84,932 | 2020 | 79,866 | 2019 | 74,922 | 2018 | 69,856 | 2017 | 64,489 | 2016 | 58,565 | 2015 | 52,240 | 2014 | 45,956 | 2013 | 40,430 | 2012 | 36,676 | 2011 | 35,403 | 2010 | 36,596 | 2009 | 39,682 | 2008 | 43,530 | 2007 | 46,793 | 2006 | 48,520 | 2005 | 48,513 | 2004 | 47,184 | 2003 | 45,190 | 2002 | 43,280 | 2001 | 42,098 | 2000 | 41,859 | 1999 | 42,411 | 1998 | 43,364 | 1997 | 44,136 | 1996 | 44,316 | 1995 | 43,753 | 1994 | 42,450 | 1993 | 40,611 | 1992 | 38,508 | 1991 | 36,313 | 1990 | 34,187 | 1989 | 32,291 | 1988 | 30,527 | 1987 | 28,834 | 1986 | 27,499 | 1985 | 26,799 | 1984 | 26,875 | 1983 | 27,955 | 1982 | 29,819 | 1981 | 31,634 | 1980 | 32,706 | 1979 | 32,829 | 1978 | 31,988 | 1977 | 30,504 | 1976 | 29,032 | 1975 | 27,967 | 1974 | 27,223 | 1973 | 26,742 | 1972 | 26,483 | 1971 | 26,097 | 1970 | 25,344 | 1969 | 24,301 | 1968 | 23,047 | 1967 | 21,596 | 1966 | 20,151 | 1965 | 18,863 | 1964 | 17,683 | 1963 | 16,552 | 1962 | 15,594 | 1961 | 14,981 | 1960 | 14,810 |
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