Year | Value | 2022 | 53,441 | 2021 | 51,923 | 2020 | 50,346 | 2019 | 48,809 | 2018 | 47,307 | 2017 | 45,842 | 2016 | 44,522 | 2015 | 43,283 | 2014 | 42,132 | 2013 | 40,963 | 2012 | 39,735 | 2011 | 38,541 | 2010 | 37,227 | 2009 | 36,360 | 2008 | 35,815 | 2007 | 35,415 | 2006 | 35,575 | 2005 | 35,888 | 2004 | 35,649 | 2003 | 34,729 | 2002 | 33,736 | 2001 | 32,631 | 2000 | 31,623 | 1999 | 30,869 | 1998 | 30,165 | 1997 | 29,545 | 1996 | 29,008 | 1995 | 27,903 | 1994 | 26,749 | 1993 | 25,992 | 1992 | 25,232 | 1991 | 26,672 | 1990 | 28,012 | 1989 | 27,227 | 1988 | 26,384 | 1987 | 25,510 | 1986 | 24,665 | 1985 | 23,871 | 1984 | 23,122 | 1983 | 22,413 | 1982 | 21,745 | 1981 | 21,099 | 1980 | 20,460 | 1979 | 19,831 | 1978 | 19,217 | 1977 | 18,614 | 1976 | 18,035 | 1975 | 17,490 | 1974 | 16,972 | 1973 | 16,481 | 1972 | 16,014 | 1971 | 15,559 | 1970 | 15,114 | 1969 | 14,681 | 1968 | 14,254 | 1967 | 13,841 | 1966 | 13,455 | 1965 | 13,105 | 1964 | 12,787 | 1963 | 12,502 | 1962 | 12,247 | 1961 | 12,010 | 1960 | 11,785 |
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