Year | Value | 2022 | 324,131 | 2021 | 322,337 | 2020 | 322,601 | 2019 | 325,740 | 2018 | 330,400 | 2017 | 337,248 | 2016 | 341,486 | 2015 | 342,065 | 2014 | 338,314 | 2013 | 330,998 | 2012 | 323,683 | 2011 | 316,284 | 2010 | 309,576 | 2009 | 299,725 | 2008 | 289,203 | 2007 | 275,931 | 2006 | 261,622 | 2005 | 248,786 | 2004 | 237,676 | 2003 | 225,975 | 2002 | 216,059 | 2001 | 203,644 | 2000 | 187,257 | 1999 | 168,413 | 1998 | 150,156 | 1997 | 133,447 | 1996 | 119,667 | 1995 | 107,658 | 1994 | 103,888 | 1993 | 103,266 | 1992 | 106,110 | 1991 | 111,727 | 1990 | 116,907 | 1989 | 120,575 | 1988 | 123,148 | 1987 | 125,277 | 1986 | 125,054 | 1985 | 124,744 | 1984 | 125,145 | 1983 | 124,316 | 1982 | 122,446 | 1981 | 121,079 | 1980 | 117,757 | 1979 | 114,084 | 1978 | 107,754 | 1977 | 105,344 | 1976 | 103,953 | 1975 | 103,230 | 1974 | 101,766 | 1973 | 98,663 | 1972 | 95,816 | 1971 | 93,546 | 1970 | 90,372 | 1969 | 86,629 | 1968 | 83,900 | 1967 | 81,333 | 1966 | 78,795 | 1965 | 77,802 | 1964 | 75,303 | 1963 | 72,441 | 1962 | 68,091 | 1961 | 63,328 | 1960 | 60,713 |
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