Year | Value | 2022 | 65,068 | 2021 | 63,276 | 2020 | 60,847 | 2019 | 57,532 | 2018 | 55,296 | 2017 | 53,971 | 2016 | 51,962 | 2015 | 49,736 | 2014 | 47,555 | 2013 | 45,396 | 2012 | 43,378 | 2011 | 41,681 | 2010 | 40,288 | 2009 | 39,266 | 2008 | 38,892 | 2007 | 39,187 | 2006 | 39,933 | 2005 | 40,970 | 2004 | 42,268 | 2003 | 43,714 | 2002 | 45,054 | 2001 | 46,048 | 2000 | 46,534 | 1999 | 46,415 | 1998 | 45,673 | 1997 | 44,476 | 1996 | 43,170 | 1995 | 41,922 | 1994 | 40,776 | 1993 | 39,969 | 1992 | 39,482 | 1991 | 39,244 | 1990 | 38,946 | 1989 | 39,905 | 1988 | 41,919 | 1987 | 42,975 | 1986 | 43,092 | 1985 | 42,810 | 1984 | 40,303 | 1983 | 35,903 | 1982 | 32,688 | 1981 | 30,664 | 1980 | 29,024 | 1979 | 27,562 | 1978 | 26,326 | 1977 | 25,221 | 1976 | 24,243 | 1975 | 23,438 | 1974 | 22,846 | 1973 | 22,351 | 1972 | 21,829 | 1971 | 21,330 | 1970 | 20,881 | 1969 | 20,474 | 1968 | 20,111 | 1967 | 19,775 | 1966 | 19,409 | 1965 | 18,979 | 1964 | 18,491 | 1963 | 17,942 | 1962 | 17,347 | 1961 | 16,770 | 1960 | 16,244 |
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