Year | Value | 2022 | 46,027 | 2021 | 46,162 | 2020 | 45,756 | 2019 | 44,301 | 2018 | 41,968 | 2017 | 39,611 | 2016 | 37,325 | 2015 | 35,263 | 2014 | 33,445 | 2013 | 31,762 | 2012 | 30,112 | 2011 | 28,409 | 2010 | 26,727 | 2009 | 25,132 | 2008 | 23,639 | 2007 | 22,238 | 2006 | 21,028 | 2005 | 20,044 | 2004 | 19,183 | 2003 | 18,408 | 2002 | 17,675 | 2001 | 16,957 | 2000 | 16,365 | 1999 | 15,733 | 1998 | 15,139 | 1997 | 14,628 | 1996 | 14,204 | 1995 | 13,847 | 1994 | 13,530 | 1993 | 13,221 | 1992 | 12,905 | 1991 | 12,589 | 1990 | 12,282 | 1989 | 11,709 | 1988 | 11,093 | 1987 | 10,639 | 1986 | 10,256 | 1985 | 9,975 | 1984 | 9,759 | 1983 | 9,593 | 1982 | 9,462 | 1981 | 9,338 | 1980 | 9,189 | 1979 | 8,999 | 1978 | 8,790 | 1977 | 8,549 | 1976 | 8,321 | 1975 | 8,164 | 1974 | 8,089 | 1973 | 8,104 | 1972 | 8,181 | 1971 | 8,268 | 1970 | 8,333 | 1969 | 8,332 | 1968 | 8,249 | 1967 | 8,119 | 1966 | 7,965 | 1965 | 7,797 | 1964 | 7,629 | 1963 | 7,487 | 1962 | 7,375 | 1961 | 7,267 | 1960 | 7,150 |
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