Year | Value | 2022 | 54,954 | 2021 | 53,673 | 2020 | 52,307 | 2019 | 51,004 | 2018 | 49,736 | 2017 | 48,493 | 2016 | 47,426 | 2015 | 46,399 | 2014 | 45,491 | 2013 | 44,442 | 2012 | 43,164 | 2011 | 41,900 | 2010 | 40,486 | 2009 | 39,068 | 2008 | 37,536 | 2007 | 36,069 | 2006 | 35,128 | 2005 | 34,124 | 2004 | 33,450 | 2003 | 32,865 | 2002 | 32,568 | 2001 | 32,879 | 2000 | 33,616 | 1999 | 34,436 | 1998 | 34,750 | 1997 | 34,668 | 1996 | 34,194 | 1995 | 32,568 | 1994 | 30,827 | 1993 | 29,844 | 1992 | 28,909 | 1991 | 30,647 | 1990 | 32,278 | 1989 | 31,522 | 1988 | 30,722 | 1987 | 29,888 | 1986 | 29,048 | 1985 | 28,222 | 1984 | 27,408 | 1983 | 26,575 | 1982 | 25,751 | 1981 | 24,954 | 1980 | 24,188 | 1979 | 23,459 | 1978 | 22,759 | 1977 | 22,083 | 1976 | 21,425 | 1975 | 20,775 | 1974 | 20,127 | 1973 | 19,473 | 1972 | 18,828 | 1971 | 18,208 | 1970 | 17,625 | 1969 | 17,077 | 1968 | 16,562 | 1967 | 16,076 | 1966 | 15,606 | 1965 | 15,150 | 1964 | 14,709 | 1963 | 14,289 | 1962 | 13,889 | 1961 | 13,502 | 1960 | 13,130 |
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