Year | Value | 2022 | 195,158 | 2021 | 189,628 | 2020 | 184,156 | 2019 | 180,410 | 2018 | 178,795 | 2017 | 178,636 | 2016 | 180,184 | 2015 | 182,100 | 2014 | 182,047 | 2013 | 180,735 | 2012 | 179,895 | 2011 | 178,576 | 2010 | 175,355 | 2009 | 171,306 | 2008 | 167,224 | 2007 | 162,302 | 2006 | 156,923 | 2005 | 152,798 | 2004 | 150,384 | 2003 | 148,386 | 2002 | 146,123 | 2001 | 143,557 | 2000 | 139,964 | 1999 | 134,842 | 1998 | 128,386 | 1997 | 122,269 | 1996 | 116,992 | 1995 | 111,840 | 1994 | 108,955 | 1993 | 109,543 | 1992 | 110,514 | 1991 | 110,949 | 1990 | 111,494 | 1989 | 110,660 | 1988 | 108,323 | 1987 | 105,548 | 1986 | 101,600 | 1985 | 96,523 | 1984 | 91,921 | 1983 | 88,561 | 1982 | 85,580 | 1981 | 82,727 | 1980 | 80,244 | 1979 | 76,967 | 1978 | 73,152 | 1977 | 69,533 | 1976 | 66,514 | 1975 | 61,385 | 1974 | 57,092 | 1973 | 56,424 | 1972 | 56,579 | 1971 | 57,002 | 1970 | 56,722 | 1969 | 56,647 | 1968 | 56,871 | 1967 | 56,078 | 1966 | 55,912 | 1965 | 55,683 | 1964 | 54,994 | 1963 | 53,890 | 1962 | 52,128 | 1961 | 50,751 | 1960 | 49,726 |
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