Year | Value | 2022 | 62,713 | 2021 | 61,034 | 2020 | 59,771 | 2019 | 59,074 | 2018 | 58,722 | 2017 | 58,363 | 2016 | 58,028 | 2015 | 57,672 | 2014 | 57,159 | 2013 | 56,625 | 2012 | 56,153 | 2011 | 55,465 | 2010 | 54,582 | 2009 | 53,686 | 2008 | 52,674 | 2007 | 51,516 | 2006 | 50,313 | 2005 | 49,022 | 2004 | 47,554 | 2003 | 45,957 | 2002 | 44,324 | 2001 | 42,666 | 2000 | 40,932 | 1999 | 39,418 | 1998 | 38,214 | 1997 | 37,093 | 1996 | 36,098 | 1995 | 35,293 | 1994 | 34,344 | 1993 | 33,219 | 1992 | 32,300 | 1991 | 31,642 | 1990 | 31,117 | 1989 | 30,686 | 1988 | 30,301 | 1987 | 29,814 | 1986 | 29,148 | 1985 | 28,384 | 1984 | 27,604 | 1983 | 26,785 | 1982 | 25,979 | 1981 | 25,242 | 1980 | 24,569 | 1979 | 24,072 | 1978 | 23,627 | 1977 | 23,006 | 1976 | 22,320 | 1975 | 21,636 | 1974 | 20,947 | 1973 | 20,276 | 1972 | 19,676 | 1971 | 19,156 | 1970 | 18,678 | 1969 | 18,205 | 1968 | 17,756 | 1967 | 17,339 | 1966 | 16,881 | 1965 | 16,382 | 1964 | 15,878 | 1963 | 15,350 | 1962 | 14,801 | 1961 | 14,243 | 1960 | 13,693 |
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