Year | Value | 2022 | 50,275 | 2021 | 49,877 | 2020 | 49,208 | 2019 | 47,945 | 2018 | 46,597 | 2017 | 45,322 | 2016 | 44,063 | 2015 | 43,064 | 2014 | 42,416 | 2013 | 41,796 | 2012 | 41,054 | 2011 | 40,166 | 2010 | 39,153 | 2009 | 38,108 | 2008 | 37,111 | 2007 | 36,168 | 2006 | 35,257 | 2005 | 34,360 | 2004 | 33,460 | 2003 | 32,547 | 2002 | 31,613 | 2001 | 30,639 | 2000 | 29,621 | 1999 | 28,559 | 1998 | 27,453 | 1997 | 26,318 | 1996 | 25,135 | 1995 | 23,917 | 1994 | 22,417 | 1993 | 20,913 | 1992 | 19,909 | 1991 | 19,122 | 1990 | 18,377 | 1989 | 17,742 | 1988 | 17,259 | 1987 | 16,998 | 1986 | 16,705 | 1985 | 16,326 | 1984 | 16,077 | 1983 | 15,929 | 1982 | 15,868 | 1981 | 15,866 | 1980 | 15,944 | 1979 | 15,986 | 1978 | 15,926 | 1977 | 15,847 | 1976 | 15,735 | 1975 | 15,562 | 1974 | 15,355 | 1973 | 15,149 | 1972 | 14,951 | 1971 | 14,784 | 1970 | 14,653 | 1969 | 14,555 | 1968 | 14,478 | 1967 | 14,407 | 1966 | 14,325 | 1965 | 14,212 | 1964 | 14,052 | 1963 | 13,852 | 1962 | 13,639 | 1961 | 13,436 | 1960 | 13,258 |
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