Year | Value | 2022 | 72,714 | 2021 | 66,748 | 2020 | 62,232 | 2019 | 59,248 | 2018 | 57,388 | 2017 | 56,549 | 2016 | 56,364 | 2015 | 56,401 | 2014 | 56,406 | 2013 | 56,364 | 2012 | 56,243 | 2011 | 55,986 | 2010 | 55,463 | 2009 | 54,538 | 2008 | 53,176 | 2007 | 51,374 | 2006 | 49,135 | 2005 | 46,471 | 2004 | 43,435 | 2003 | 40,113 | 2002 | 36,751 | 2001 | 33,623 | 2000 | 30,874 | 1999 | 28,853 | 1998 | 27,529 | 1997 | 26,437 | 1996 | 25,438 | 1995 | 24,548 | 1994 | 23,784 | 1993 | 23,096 | 1992 | 22,448 | 1991 | 21,872 | 1990 | 21,361 | 1989 | 20,904 | 1988 | 20,497 | 1987 | 20,096 | 1986 | 19,614 | 1985 | 18,958 | 1984 | 18,064 | 1983 | 16,921 | 1982 | 15,743 | 1981 | 14,747 | 1980 | 13,991 | 1979 | 13,529 | 1978 | 13,358 | 1977 | 13,398 | 1976 | 13,641 | 1975 | 14,027 | 1974 | 14,449 | 1973 | 14,906 | 1972 | 15,372 | 1971 | 15,796 | 1970 | 16,113 | 1969 | 16,241 | 1968 | 15,923 | 1967 | 15,262 | 1966 | 14,585 | 1965 | 13,907 | 1964 | 13,237 | 1963 | 12,754 | 1962 | 12,454 | 1961 | 12,154 | 1960 | 11,860 |
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