Year | Value | 2022 | 69,291 | 2021 | 68,551 | 2020 | 68,048 | 2019 | 67,251 | 2018 | 65,311 | 2017 | 62,421 | 2016 | 59,870 | 2015 | 58,215 | 2014 | 57,534 | 2013 | 57,405 | 2012 | 57,240 | 2011 | 56,693 | 2010 | 55,779 | 2009 | 54,761 | 2008 | 53,909 | 2007 | 53,402 | 2006 | 51,447 | 2005 | 47,908 | 2004 | 44,480 | 2003 | 41,027 | 2002 | 37,444 | 2001 | 33,786 | 2000 | 30,253 | 1999 | 27,041 | 1998 | 24,227 | 1997 | 21,826 | 1996 | 19,817 | 1995 | 18,147 | 1994 | 16,762 | 1993 | 15,593 | 1992 | 14,697 | 1991 | 14,018 | 1990 | 13,390 | 1989 | 12,790 | 1988 | 12,201 | 1987 | 11,654 | 1986 | 11,168 | 1985 | 10,740 | 1984 | 10,363 | 1983 | 9,997 | 1982 | 9,657 | 1981 | 9,422 | 1980 | 9,316 | 1979 | 9,233 | 1978 | 9,139 | 1977 | 9,074 | 1976 | 9,067 | 1975 | 9,168 | 1974 | 9,405 | 1973 | 9,746 | 1972 | 10,144 | 1971 | 10,600 | 1970 | 11,154 | 1969 | 11,076 | 1968 | 10,273 | 1967 | 9,442 | 1966 | 8,649 | 1965 | 7,954 | 1964 | 7,363 | 1963 | 6,847 | 1962 | 6,407 | 1961 | 6,154 | 1960 | 6,049 |
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