Year | Value | 2022 | 27,385 | 2021 | 26,640 | 2020 | 25,871 | 2019 | 25,001 | 2018 | 24,128 | 2017 | 23,384 | 2016 | 22,735 | 2015 | 22,138 | 2014 | 21,586 | 2013 | 21,035 | 2012 | 20,483 | 2011 | 19,964 | 2010 | 19,483 | 2009 | 19,016 | 2008 | 18,580 | 2007 | 18,210 | 2006 | 17,928 | 2005 | 17,671 | 2004 | 17,348 | 2003 | 16,923 | 2002 | 16,408 | 2001 | 15,645 | 2000 | 14,897 | 1999 | 14,673 | 1998 | 14,735 | 1997 | 14,747 | 1996 | 14,702 | 1995 | 14,783 | 1994 | 14,923 | 1993 | 15,018 | 1992 | 15,184 | 1991 | 15,603 | 1990 | 15,542 | 1989 | 15,050 | 1988 | 14,774 | 1987 | 14,465 | 1986 | 14,153 | 1985 | 13,874 | 1984 | 13,628 | 1983 | 13,380 | 1982 | 13,132 | 1981 | 12,885 | 1980 | 12,643 | 1979 | 12,404 | 1978 | 12,171 | 1977 | 11,951 | 1976 | 11,737 | 1975 | 11,523 | 1974 | 11,311 | 1973 | 11,093 | 1972 | 10,866 | 1971 | 10,631 | 1970 | 10,389 | 1969 | 10,140 | 1968 | 9,886 | 1967 | 9,631 | 1966 | 9,379 | 1965 | 9,131 | 1964 | 8,887 | 1963 | 8,645 | 1962 | 8,402 | 1961 | 8,153 | 1960 | 7,893 |
|