Year | Value | 2022 | 42,848 | 2021 | 42,668 | 2020 | 42,310 | 2019 | 41,608 | 2018 | 40,895 | 2017 | 40,574 | 2016 | 39,969 | 2015 | 38,825 | 2014 | 37,685 | 2013 | 36,607 | 2012 | 34,640 | 2011 | 33,435 | 2010 | 34,056 | 2009 | 34,238 | 2008 | 33,964 | 2007 | 33,811 | 2006 | 33,441 | 2005 | 33,011 | 2004 | 32,488 | 2003 | 31,472 | 2002 | 30,777 | 2001 | 30,600 | 2000 | 30,519 | 1999 | 31,084 | 1998 | 31,240 | 1997 | 31,195 | 1996 | 31,410 | 1995 | 31,596 | 1994 | 31,735 | 1993 | 31,823 | 1992 | 31,345 | 1991 | 29,820 | 1990 | 27,845 | 1989 | 25,952 | 1988 | 24,139 | 1987 | 22,395 | 1986 | 20,703 | 1985 | 19,064 | 1984 | 17,474 | 1983 | 15,927 | 1982 | 14,418 | 1981 | 13,134 | 1980 | 12,243 | 1979 | 11,542 | 1978 | 10,850 | 1977 | 10,172 | 1976 | 9,523 | 1975 | 8,906 | 1974 | 8,312 | 1973 | 7,750 | 1972 | 7,226 | 1971 | 6,736 | 1970 | 6,260 | 1969 | 5,795 | 1968 | 5,354 | 1967 | 4,930 | 1966 | 4,531 | 1965 | 4,161 | 1964 | 3,811 | 1963 | 3,481 | 1962 | 3,171 | 1961 | 2,888 | 1960 | 2,646 |
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