Year | Value | 2022 | 33,910 | 2021 | 32,779 | 2020 | 31,649 | 2019 | 30,528 | 2018 | 29,446 | 2017 | 28,456 | 2016 | 27,621 | 2015 | 26,796 | 2014 | 26,522 | 2013 | 26,719 | 2012 | 27,014 | 2011 | 27,591 | 2010 | 28,263 | 2009 | 28,442 | 2008 | 27,994 | 2007 | 27,364 | 2006 | 26,680 | 2005 | 25,944 | 2004 | 25,104 | 2003 | 24,063 | 2002 | 23,098 | 2001 | 22,282 | 2000 | 21,585 | 1999 | 21,255 | 1998 | 20,998 | 1997 | 20,571 | 1996 | 20,088 | 1995 | 19,132 | 1994 | 18,134 | 1993 | 17,450 | 1992 | 16,767 | 1991 | 17,580 | 1990 | 18,355 | 1989 | 17,790 | 1988 | 17,234 | 1987 | 16,682 | 1986 | 16,138 | 1985 | 15,605 | 1984 | 15,083 | 1983 | 14,566 | 1982 | 14,065 | 1981 | 13,583 | 1980 | 13,123 | 1979 | 12,696 | 1978 | 12,298 | 1977 | 11,924 | 1976 | 11,570 | 1975 | 11,230 | 1974 | 10,896 | 1973 | 10,570 | 1972 | 10,254 | 1971 | 9,949 | 1970 | 9,656 | 1969 | 9,375 | 1968 | 9,104 | 1967 | 8,847 | 1966 | 8,615 | 1965 | 8,410 | 1964 | 8,232 | 1963 | 8,082 | 1962 | 7,957 | 1961 | 7,839 | 1960 | 7,719 |
|