Year | Value | 2022 | 44,999 | 2021 | 43,453 | 2020 | 41,932 | 2019 | 41,155 | 2018 | 40,715 | 2017 | 39,865 | 2016 | 39,027 | 2015 | 38,278 | 2014 | 37,624 | 2013 | 36,944 | 2012 | 36,380 | 2011 | 35,890 | 2010 | 35,401 | 2009 | 34,911 | 2008 | 34,329 | 2007 | 33,733 | 2006 | 33,182 | 2005 | 32,646 | 2004 | 32,021 | 2003 | 31,286 | 2002 | 30,700 | 2001 | 30,281 | 2000 | 29,915 | 1999 | 29,542 | 1998 | 29,155 | 1997 | 28,769 | 1996 | 28,374 | 1995 | 27,778 | 1994 | 27,186 | 1993 | 27,032 | 1992 | 26,876 | 1991 | 26,322 | 1990 | 25,839 | 1989 | 25,458 | 1988 | 24,889 | 1987 | 24,327 | 1986 | 23,725 | 1985 | 23,152 | 1984 | 22,906 | 1983 | 22,648 | 1982 | 21,871 | 1981 | 21,147 | 1980 | 21,077 | 1979 | 21,039 | 1978 | 20,793 | 1977 | 20,620 | 1976 | 20,450 | 1975 | 20,256 | 1974 | 20,036 | 1973 | 19,793 | 1972 | 19,528 | 1971 | 19,238 | 1970 | 18,892 | 1969 | 18,468 | 1968 | 17,962 | 1967 | 17,423 | 1966 | 16,940 | 1965 | 16,565 | 1964 | 16,296 | 1963 | 16,148 | 1962 | 16,118 | 1961 | 16,137 | 1960 | 16,155 |
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