Year | Value | 2022 | 41,890 | 2021 | 40,501 | 2020 | 38,866 | 2019 | 37,065 | 2018 | 35,280 | 2017 | 33,536 | 2016 | 31,810 | 2015 | 30,186 | 2014 | 28,775 | 2013 | 27,573 | 2012 | 26,625 | 2011 | 25,995 | 2010 | 25,649 | 2009 | 25,586 | 2008 | 25,754 | 2007 | 25,994 | 2006 | 26,283 | 2005 | 26,690 | 2004 | 27,145 | 2003 | 27,556 | 2002 | 27,860 | 2001 | 27,977 | 2000 | 27,919 | 1999 | 27,715 | 1998 | 27,330 | 1997 | 26,767 | 1996 | 26,099 | 1995 | 25,383 | 1994 | 25,629 | 1993 | 25,919 | 1992 | 25,024 | 1991 | 23,903 | 1990 | 22,852 | 1989 | 22,165 | 1988 | 21,163 | 1987 | 19,825 | 1986 | 18,759 | 1985 | 17,642 | 1984 | 16,562 | 1983 | 15,672 | 1982 | 14,883 | 1981 | 14,180 | 1980 | 13,541 | 1979 | 12,914 | 1978 | 12,391 | 1977 | 11,975 | 1976 | 11,637 | 1975 | 11,349 | 1974 | 11,107 | 1973 | 10,892 | 1972 | 10,691 | 1971 | 10,507 | 1970 | 10,344 | 1969 | 10,190 | 1968 | 10,030 | 1967 | 9,866 | 1966 | 9,699 | 1965 | 9,542 | 1964 | 9,406 | 1963 | 9,291 | 1962 | 9,183 | 1961 | 9,080 | 1960 | 8,976 |
|