Year | Value | 2022 | 40,834 | 2021 | 40,403 | 2020 | 39,646 | 2019 | 38,304 | 2018 | 36,837 | 2017 | 35,416 | 2016 | 33,995 | 2015 | 32,584 | 2014 | 31,135 | 2013 | 29,675 | 2012 | 28,241 | 2011 | 26,831 | 2010 | 25,444 | 2009 | 24,051 | 2008 | 22,673 | 2007 | 21,384 | 2006 | 20,227 | 2005 | 19,171 | 2004 | 18,158 | 2003 | 17,206 | 2002 | 16,315 | 2001 | 15,468 | 2000 | 14,682 | 1999 | 13,961 | 1998 | 13,272 | 1997 | 12,609 | 1996 | 11,979 | 1995 | 11,374 | 1994 | 10,766 | 1993 | 10,176 | 1992 | 9,612 | 1991 | 9,055 | 1990 | 8,515 | 1989 | 7,999 | 1988 | 7,505 | 1987 | 7,032 | 1986 | 6,597 | 1985 | 6,200 | 1984 | 5,820 | 1983 | 5,464 | 1982 | 5,150 | 1981 | 4,880 | 1980 | 4,650 | 1979 | 4,481 | 1978 | 4,421 | 1977 | 4,420 | 1976 | 4,698 | 1975 | 5,948 | 1974 | 6,860 | 1973 | 6,741 | 1972 | 6,605 | 1971 | 6,465 | 1970 | 6,322 | 1969 | 6,103 | 1968 | 5,814 | 1967 | 5,524 | 1966 | 5,249 | 1965 | 5,012 | 1964 | 4,820 | 1963 | 4,679 | 1962 | 4,595 | 1961 | 4,546 | 1960 | 4,502 |
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