Year | Value | 2022 | 224,770 | 2021 | 229,622 | 2020 | 234,295 | 2019 | 236,978 | 2018 | 236,166 | 2017 | 235,655 | 2016 | 237,226 | 2015 | 243,201 | 2014 | 253,208 | 2013 | 266,543 | 2012 | 280,889 | 2011 | 291,504 | 2010 | 301,843 | 2009 | 309,906 | 2008 | 316,037 | 2007 | 318,168 | 2006 | 317,004 | 2005 | 311,784 | 2004 | 303,122 | 2003 | 290,809 | 2002 | 279,831 | 2001 | 267,805 | 2000 | 258,136 | 1999 | 251,878 | 1998 | 246,446 | 1997 | 240,360 | 1996 | 232,043 | 1995 | 209,528 | 1994 | 187,782 | 1993 | 167,068 | 1992 | 150,097 | 1991 | 137,721 | 1990 | 131,622 | 1989 | 130,885 | 1988 | 130,890 | 1987 | 133,721 | 1986 | 138,141 | 1985 | 140,886 | 1984 | 141,986 | 1983 | 144,011 | 1982 | 145,048 | 1981 | 144,869 | 1980 | 145,292 | 1979 | 145,339 | 1978 | 138,882 | 1977 | 136,540 | 1976 | 134,505 | 1975 | 131,717 | 1974 | 127,644 | 1973 | 122,300 | 1972 | 117,876 | 1971 | 115,385 | 1970 | 113,222 | 1969 | 110,909 | 1968 | 109,413 | 1967 | 106,798 | 1966 | 103,288 | 1965 | 100,698 | 1964 | 96,590 | 1963 | 93,543 | 1962 | 90,219 | 1961 | 86,529 | 1960 | 84,820 |
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