Year | Value | 2022 | 61,433 | 2021 | 61,844 | 2020 | 63,576 | 2019 | 66,847 | 2018 | 70,436 | 2017 | 73,022 | 2016 | 73,216 | 2015 | 69,143 | 2014 | 64,367 | 2013 | 62,291 | 2012 | 62,341 | 2011 | 64,188 | 2010 | 66,381 | 2009 | 66,820 | 2008 | 65,774 | 2007 | 65,141 | 2006 | 65,662 | 2005 | 67,166 | 2004 | 67,928 | 2003 | 66,785 | 2002 | 64,468 | 2001 | 61,700 | 2000 | 58,968 | 1999 | 56,543 | 1998 | 54,478 | 1997 | 52,679 | 1996 | 51,006 | 1995 | 49,394 | 1994 | 47,865 | 1993 | 46,489 | 1992 | 44,739 | 1991 | 42,434 | 1990 | 40,125 | 1989 | 37,967 | 1988 | 35,926 | 1987 | 33,978 | 1986 | 32,106 | 1985 | 30,313 | 1984 | 28,617 | 1983 | 27,024 | 1982 | 25,548 | 1981 | 24,202 | 1980 | 22,979 | 1979 | 21,865 | 1978 | 20,857 | 1977 | 19,963 | 1976 | 19,196 | 1975 | 18,552 | 1974 | 17,879 | 1973 | 17,144 | 1972 | 16,461 | 1971 | 15,842 | 1970 | 15,297 | 1969 | 14,810 | 1968 | 14,357 | 1967 | 13,932 | 1966 | 13,528 | 1965 | 13,128 | 1964 | 12,726 | 1963 | 12,325 | 1962 | 11,925 | 1961 | 11,527 | 1960 | 11,141 |
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