Year | Value | 2022 | 54,951 | 2021 | 54,372 | 2020 | 53,792 | 2019 | 53,129 | 2018 | 52,552 | 2017 | 52,036 | 2016 | 51,287 | 2015 | 50,390 | 2014 | 49,551 | 2013 | 48,580 | 2012 | 47,472 | 2011 | 46,383 | 2010 | 45,279 | 2009 | 43,993 | 2008 | 42,568 | 2007 | 41,131 | 2006 | 39,618 | 2005 | 37,948 | 2004 | 36,473 | 2003 | 35,310 | 2002 | 34,247 | 2001 | 33,329 | 2000 | 32,529 | 1999 | 31,511 | 1998 | 30,325 | 1997 | 29,305 | 1996 | 28,490 | 1995 | 27,918 | 1994 | 27,603 | 1993 | 27,393 | 1992 | 27,116 | 1991 | 26,718 | 1990 | 26,201 | 1989 | 25,592 | 1988 | 24,953 | 1987 | 24,295 | 1986 | 23,636 | 1985 | 22,982 | 1984 | 22,351 | 1983 | 21,767 | 1982 | 21,213 | 1981 | 20,620 | 1980 | 20,000 | 1979 | 19,484 | 1978 | 19,025 | 1977 | 18,535 | 1976 | 18,002 | 1975 | 17,459 | 1974 | 16,995 | 1973 | 16,599 | 1972 | 16,239 | 1971 | 15,870 | 1970 | 15,452 | 1969 | 14,981 | 1968 | 14,481 | 1967 | 13,959 | 1966 | 13,420 | 1965 | 12,881 | 1964 | 12,368 | 1963 | 11,893 | 1962 | 11,457 | 1961 | 11,074 | 1960 | 10,735 |
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