Year | Value | 2022 | 61,819 | 2021 | 59,459 | 2020 | 58,134 | 2019 | 57,259 | 2018 | 56,727 | 2017 | 56,515 | 2016 | 56,240 | 2015 | 55,646 | 2014 | 54,678 | 2013 | 53,281 | 2012 | 51,508 | 2011 | 49,615 | 2010 | 47,764 | 2009 | 45,904 | 2008 | 43,957 | 2007 | 41,997 | 2006 | 40,105 | 2005 | 38,345 | 2004 | 36,769 | 2003 | 35,425 | 2002 | 34,323 | 2001 | 33,039 | 2000 | 31,503 | 1999 | 30,048 | 1998 | 28,637 | 1997 | 27,221 | 1996 | 25,755 | 1995 | 24,226 | 1994 | 22,617 | 1993 | 21,334 | 1992 | 20,439 | 1991 | 19,585 | 1990 | 18,797 | 1989 | 18,088 | 1988 | 17,469 | 1987 | 16,942 | 1986 | 16,502 | 1985 | 16,139 | 1984 | 15,846 | 1983 | 15,620 | 1982 | 15,464 | 1981 | 15,390 | 1980 | 15,406 | 1979 | 15,120 | 1978 | 14,502 | 1977 | 13,907 | 1976 | 13,328 | 1975 | 12,755 | 1974 | 12,159 | 1973 | 11,505 | 1972 | 10,772 | 1971 | 9,961 | 1970 | 9,196 | 1969 | 8,727 | 1968 | 8,479 | 1967 | 8,242 | 1966 | 8,013 | 1965 | 7,810 | 1964 | 7,614 | 1963 | 7,405 | 1962 | 7,203 | 1961 | 7,004 | 1960 | 6,809 |
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