Year | Value | 2022 | 70,331 | 2021 | 69,160 | 2020 | 68,082 | 2019 | 66,624 | 2018 | 64,886 | 2017 | 63,215 | 2016 | 61,427 | 2015 | 59,531 | 2014 | 57,537 | 2013 | 55,441 | 2012 | 53,328 | 2011 | 51,315 | 2010 | 49,466 | 2009 | 47,718 | 2008 | 45,980 | 2007 | 44,292 | 2006 | 42,710 | 2005 | 41,253 | 2004 | 39,947 | 2003 | 38,761 | 2002 | 37,630 | 2001 | 36,539 | 2000 | 35,491 | 1999 | 34,486 | 1998 | 33,521 | 1997 | 32,588 | 1996 | 31,690 | 1995 | 30,804 | 1994 | 29,896 | 1993 | 28,979 | 1992 | 28,085 | 1991 | 27,227 | 1990 | 26,389 | 1989 | 25,570 | 1988 | 24,785 | 1987 | 24,022 | 1986 | 23,334 | 1985 | 22,672 | 1984 | 21,973 | 1983 | 21,299 | 1982 | 20,658 | 1981 | 20,056 | 1980 | 19,497 | 1979 | 18,996 | 1978 | 18,556 | 1977 | 18,162 | 1976 | 17,778 | 1975 | 17,371 | 1974 | 16,931 | 1973 | 16,453 | 1972 | 15,955 | 1971 | 15,508 | 1970 | 15,176 | 1969 | 14,965 | 1968 | 14,912 | 1967 | 15,005 | 1966 | 15,138 | 1965 | 15,245 | 1964 | 15,327 | 1963 | 15,418 | 1962 | 15,487 | 1961 | 15,501 | 1960 | 15,514 |
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