Year | Value | 2022 | 35,323 | 2021 | 35,964 | 2020 | 36,565 | 2019 | 36,993 | 2018 | 37,141 | 2017 | 36,889 | 2016 | 36,324 | 2015 | 35,547 | 2014 | 34,522 | 2013 | 33,392 | 2012 | 32,335 | 2011 | 31,404 | 2010 | 30,556 | 2009 | 29,729 | 2008 | 28,856 | 2007 | 27,914 | 2006 | 26,935 | 2005 | 25,954 | 2004 | 24,990 | 2003 | 24,081 | 2002 | 23,253 | 2001 | 22,501 | 2000 | 21,824 | 1999 | 21,207 | 1998 | 20,535 | 1997 | 19,850 | 1996 | 19,245 | 1995 | 18,655 | 1994 | 18,222 | 1993 | 18,014 | 1992 | 18,690 | 1991 | 19,271 | 1990 | 18,829 | 1989 | 18,237 | 1988 | 17,631 | 1987 | 17,067 | 1986 | 16,538 | 1985 | 16,039 | 1984 | 15,566 | 1983 | 15,114 | 1982 | 14,678 | 1981 | 14,255 | 1980 | 13,841 | 1979 | 13,536 | 1978 | 13,327 | 1977 | 13,205 | 1976 | 13,189 | 1975 | 13,182 | 1974 | 13,061 | 1973 | 12,830 | 1972 | 12,506 | 1971 | 12,081 | 1970 | 11,654 | 1969 | 11,247 | 1968 | 10,881 | 1967 | 10,553 | 1966 | 10,246 | 1965 | 9,952 | 1964 | 9,666 | 1963 | 9,386 | 1962 | 9,104 | 1961 | 8,838 | 1960 | 8,600 |
|