Year | Value | 2022 | 32,635 | 2021 | 32,885 | 2020 | 32,879 | 2019 | 33,027 | 2018 | 33,312 | 2017 | 33,754 | 2016 | 34,499 | 2015 | 35,450 | 2014 | 36,434 | 2013 | 37,565 | 2012 | 38,803 | 2011 | 40,043 | 2010 | 41,668 | 2009 | 43,564 | 2008 | 45,310 | 2007 | 46,761 | 2006 | 47,922 | 2005 | 48,732 | 2004 | 49,279 | 2003 | 49,420 | 2002 | 49,308 | 2001 | 49,595 | 2000 | 50,042 | 1999 | 50,519 | 1998 | 51,459 | 1997 | 52,844 | 1996 | 53,691 | 1995 | 54,368 | 1994 | 54,686 | 1993 | 54,022 | 1992 | 53,022 | 1991 | 51,858 | 1990 | 51,075 | 1989 | 50,907 | 1988 | 51,363 | 1987 | 52,359 | 1986 | 53,654 | 1985 | 55,204 | 1984 | 56,808 | 1983 | 58,151 | 1982 | 59,000 | 1981 | 58,755 | 1980 | 57,660 | 1979 | 56,150 | 1978 | 54,633 | 1977 | 53,547 | 1976 | 52,562 | 1975 | 52,063 | 1974 | 52,189 | 1973 | 52,871 | 1972 | 54,136 | 1971 | 55,900 | 1970 | 57,755 | 1969 | 59,458 | 1968 | 60,930 | 1967 | 62,019 | 1966 | 62,605 | 1965 | 62,755 | 1964 | 62,587 | 1963 | 62,117 | 1962 | 61,302 | 1961 | 59,944 | 1960 | 59,366 |
|