Year | Value | 2022 | 29,645 | 2021 | 28,498 | 2020 | 27,345 | 2019 | 26,183 | 2018 | 25,061 | 2017 | 24,064 | 2016 | 23,271 | 2015 | 22,617 | 2014 | 21,928 | 2013 | 21,145 | 2012 | 20,245 | 2011 | 19,267 | 2010 | 18,278 | 2009 | 17,345 | 2008 | 16,542 | 2007 | 15,899 | 2006 | 15,399 | 2005 | 14,987 | 2004 | 14,585 | 2003 | 14,384 | 2002 | 14,411 | 2001 | 14,316 | 2000 | 13,999 | 1999 | 13,540 | 1998 | 13,129 | 1997 | 12,846 | 1996 | 12,590 | 1995 | 12,351 | 1994 | 12,130 | 1993 | 11,919 | 1992 | 11,698 | 1991 | 11,441 | 1990 | 11,154 | 1989 | 10,847 | 1988 | 10,517 | 1987 | 10,160 | 1986 | 9,773 | 1985 | 9,379 | 1984 | 8,955 | 1983 | 8,516 | 1982 | 8,182 | 1981 | 7,992 | 1980 | 7,862 | 1979 | 7,782 | 1978 | 7,782 | 1977 | 7,794 | 1976 | 7,787 | 1975 | 7,779 | 1974 | 7,777 | 1973 | 7,778 | 1972 | 7,778 | 1971 | 7,762 | 1970 | 7,715 | 1969 | 7,630 | 1968 | 7,504 | 1967 | 7,355 | 1966 | 7,188 | 1965 | 7,011 | 1964 | 6,846 | 1963 | 6,694 | 1962 | 6,557 | 1961 | 6,434 | 1960 | 6,321 |
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