Year | Value | 2022 | 40,805 | 2021 | 40,314 | 2020 | 39,630 | 2019 | 38,674 | 2018 | 37,674 | 2017 | 36,688 | 2016 | 35,999 | 2015 | 35,265 | 2014 | 34,535 | 2013 | 33,693 | 2012 | 32,637 | 2011 | 31,638 | 2010 | 30,758 | 2009 | 29,939 | 2008 | 29,309 | 2007 | 28,904 | 2006 | 28,602 | 2005 | 28,346 | 2004 | 28,159 | 2003 | 28,024 | 2002 | 27,927 | 2001 | 27,941 | 2000 | 28,035 | 1999 | 28,182 | 1998 | 28,364 | 1997 | 28,540 | 1996 | 28,681 | 1995 | 28,689 | 1994 | 28,549 | 1993 | 28,261 | 1992 | 27,846 | 1991 | 27,249 | 1990 | 26,467 | 1989 | 25,677 | 1988 | 24,997 | 1987 | 24,441 | 1986 | 23,891 | 1985 | 23,261 | 1984 | 22,603 | 1983 | 21,872 | 1982 | 20,973 | 1981 | 20,008 | 1980 | 19,140 | 1979 | 18,255 | 1978 | 17,313 | 1977 | 16,479 | 1976 | 15,746 | 1975 | 15,079 | 1974 | 14,482 | 1973 | 13,970 | 1972 | 13,543 | 1971 | 13,096 | 1970 | 12,768 | 1969 | 12,445 | 1968 | 11,977 | 1967 | 11,537 | 1966 | 11,089 | 1965 | 10,619 | 1964 | 10,077 | 1963 | 9,395 | 1962 | 8,643 | 1961 | 7,974 | 1960 | 7,370 |
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