Year | Value | 2022 | 48,701 | 2021 | 47,712 | 2020 | 46,565 | 2019 | 45,492 | 2018 | 44,459 | 2017 | 43,381 | 2016 | 42,334 | 2015 | 41,276 | 2014 | 40,106 | 2013 | 38,851 | 2012 | 37,564 | 2011 | 36,252 | 2010 | 34,880 | 2009 | 33,667 | 2008 | 32,702 | 2007 | 31,745 | 2006 | 30,787 | 2005 | 29,919 | 2004 | 28,904 | 2003 | 27,764 | 2002 | 26,763 | 2001 | 25,927 | 2000 | 25,230 | 1999 | 24,646 | 1998 | 24,112 | 1997 | 23,559 | 1996 | 23,042 | 1995 | 22,624 | 1994 | 22,268 | 1993 | 21,922 | 1992 | 21,588 | 1991 | 21,355 | 1990 | 21,162 | 1989 | 20,917 | 1988 | 20,662 | 1987 | 20,398 | 1986 | 20,006 | 1985 | 19,493 | 1984 | 18,974 | 1983 | 18,472 | 1982 | 17,992 | 1981 | 17,556 | 1980 | 17,162 | 1979 | 16,769 | 1978 | 16,398 | 1977 | 16,065 | 1976 | 15,741 | 1975 | 15,411 | 1974 | 15,058 | 1973 | 14,701 | 1972 | 14,343 | 1971 | 13,946 | 1970 | 13,501 | 1969 | 13,036 | 1968 | 12,592 | 1967 | 12,189 | 1966 | 11,795 | 1965 | 11,416 | 1964 | 11,081 | 1963 | 10,788 | 1962 | 10,532 | 1961 | 10,295 | 1960 | 10,076 |
|