Year | Value | 2022 | 43,013 | 2021 | 42,425 | 2020 | 41,469 | 2019 | 40,156 | 2018 | 38,677 | 2017 | 37,224 | 2016 | 35,869 | 2015 | 34,622 | 2014 | 33,476 | 2013 | 32,471 | 2012 | 31,599 | 2011 | 30,784 | 2010 | 29,969 | 2009 | 29,185 | 2008 | 28,429 | 2007 | 27,701 | 2006 | 27,059 | 2005 | 26,474 | 2004 | 25,964 | 2003 | 25,546 | 2002 | 25,176 | 2001 | 24,822 | 2000 | 24,456 | 1999 | 24,090 | 1998 | 23,738 | 1997 | 23,403 | 1996 | 23,085 | 1995 | 22,778 | 1994 | 22,477 | 1993 | 21,976 | 1992 | 21,381 | 1991 | 20,913 | 1990 | 20,480 | 1989 | 20,091 | 1988 | 19,746 | 1987 | 19,430 | 1986 | 19,117 | 1985 | 18,798 | 1984 | 18,466 | 1983 | 18,114 | 1982 | 17,761 | 1981 | 17,449 | 1980 | 17,188 | 1979 | 16,971 | 1978 | 16,807 | 1977 | 16,695 | 1976 | 16,582 | 1975 | 16,427 | 1974 | 16,236 | 1973 | 15,992 | 1972 | 15,699 | 1971 | 15,417 | 1970 | 15,189 | 1969 | 15,005 | 1968 | 14,849 | 1967 | 14,735 | 1966 | 14,653 | 1965 | 14,584 | 1964 | 14,535 | 1963 | 14,509 | 1962 | 14,514 | 1961 | 14,577 | 1960 | 14,719 |
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