Year | Value | 2022 | 44,433 | 2021 | 43,153 | 2020 | 41,807 | 2019 | 40,486 | 2018 | 39,181 | 2017 | 37,914 | 2016 | 36,815 | 2015 | 35,804 | 2014 | 34,900 | 2013 | 33,964 | 2012 | 32,948 | 2011 | 31,989 | 2010 | 30,875 | 2009 | 30,287 | 2008 | 30,172 | 2007 | 30,267 | 2006 | 30,979 | 2005 | 31,864 | 2004 | 32,054 | 2003 | 31,283 | 2002 | 30,347 | 2001 | 29,302 | 2000 | 28,361 | 1999 | 27,923 | 1998 | 27,639 | 1997 | 27,212 | 1996 | 26,732 | 1995 | 25,535 | 1994 | 24,264 | 1993 | 23,466 | 1992 | 22,656 | 1991 | 23,876 | 1990 | 25,028 | 1989 | 24,331 | 1988 | 23,610 | 1987 | 22,878 | 1986 | 22,163 | 1985 | 21,480 | 1984 | 20,826 | 1983 | 20,177 | 1982 | 19,549 | 1981 | 18,930 | 1980 | 18,316 | 1979 | 17,720 | 1978 | 17,145 | 1977 | 16,589 | 1976 | 16,059 | 1975 | 15,557 | 1974 | 15,076 | 1973 | 14,608 | 1972 | 14,158 | 1971 | 13,728 | 1970 | 13,317 | 1969 | 12,922 | 1968 | 12,548 | 1967 | 12,193 | 1966 | 11,847 | 1965 | 11,511 | 1964 | 11,186 | 1963 | 10,869 | 1962 | 10,570 | 1961 | 10,300 | 1960 | 10,067 |
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