Year | Value | 2022 | 169,804 | 2021 | 164,001 | 2020 | 159,102 | 2019 | 155,528 | 2018 | 153,409 | 2017 | 152,494 | 2016 | 152,492 | 2015 | 152,732 | 2014 | 152,386 | 2013 | 151,059 | 2012 | 148,627 | 2011 | 144,584 | 2010 | 138,981 | 2009 | 132,635 | 2008 | 125,964 | 2007 | 119,093 | 2006 | 112,304 | 2005 | 105,732 | 2004 | 99,191 | 2003 | 92,576 | 2002 | 86,580 | 2001 | 81,947 | 2000 | 78,166 | 1999 | 74,412 | 1998 | 70,928 | 1997 | 65,848 | 1996 | 55,063 | 1995 | 44,790 | 1994 | 58,811 | 1993 | 74,804 | 1992 | 73,644 | 1991 | 73,951 | 1990 | 74,999 | 1989 | 76,518 | 1988 | 78,329 | 1987 | 79,854 | 1986 | 80,871 | 1985 | 81,517 | 1984 | 81,871 | 1983 | 81,761 | 1982 | 80,781 | 1981 | 79,224 | 1980 | 77,361 | 1979 | 74,944 | 1978 | 71,905 | 1977 | 68,339 | 1976 | 64,192 | 1975 | 59,725 | 1974 | 55,289 | 1973 | 50,860 | 1972 | 46,692 | 1971 | 43,119 | 1970 | 40,252 | 1969 | 38,086 | 1968 | 36,716 | 1967 | 36,017 | 1966 | 35,642 | 1965 | 35,421 | 1964 | 35,435 | 1963 | 35,760 | 1962 | 36,003 | 1961 | 35,936 | 1960 | 35,673 |
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