Year | Value | 2022 | 59,043 | 2021 | 57,997 | 2020 | 56,876 | 2019 | 55,763 | 2018 | 54,699 | 2017 | 53,634 | 2016 | 52,505 | 2015 | 51,289 | 2014 | 49,961 | 2013 | 48,506 | 2012 | 46,945 | 2011 | 45,309 | 2010 | 43,631 | 2009 | 41,947 | 2008 | 40,318 | 2007 | 38,828 | 2006 | 37,530 | 2005 | 36,438 | 2004 | 35,531 | 2003 | 34,776 | 2002 | 34,149 | 2001 | 33,591 | 2000 | 33,005 | 1999 | 32,334 | 1998 | 31,483 | 1997 | 30,469 | 1996 | 29,418 | 1995 | 28,315 | 1994 | 27,151 | 1993 | 26,056 | 1992 | 25,053 | 1991 | 24,036 | 1990 | 22,969 | 1989 | 21,272 | 1988 | 19,615 | 1987 | 18,688 | 1986 | 17,901 | 1985 | 17,217 | 1984 | 16,643 | 1983 | 16,170 | 1982 | 15,790 | 1981 | 15,660 | 1980 | 15,732 | 1979 | 15,757 | 1978 | 15,933 | 1977 | 16,137 | 1976 | 16,143 | 1975 | 16,034 | 1974 | 15,799 | 1973 | 15,473 | 1972 | 15,083 | 1971 | 14,729 | 1970 | 14,474 | 1969 | 14,299 | 1968 | 14,194 | 1967 | 14,142 | 1966 | 14,079 | 1965 | 13,966 | 1964 | 13,812 | 1963 | 13,632 | 1962 | 13,424 | 1961 | 13,205 | 1960 | 12,995 |
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