Year | Value | 2022 | 231,914 | 2021 | 247,666 | 2020 | 250,955 | 2019 | 254,795 | 2018 | 259,523 | 2017 | 263,221 | 2016 | 263,782 | 2015 | 264,564 | 2014 | 269,098 | 2013 | 273,597 | 2012 | 276,924 | 2011 | 282,290 | 2010 | 284,143 | 2009 | 277,525 | 2008 | 267,780 | 2007 | 258,517 | 2006 | 248,721 | 2005 | 240,037 | 2004 | 235,245 | 2003 | 233,450 | 2002 | 233,931 | 2001 | 240,132 | 2000 | 248,729 | 1999 | 255,845 | 1998 | 263,043 | 1997 | 268,009 | 1996 | 269,586 | 1995 | 268,085 | 1994 | 264,477 | 1993 | 260,594 | 1992 | 259,738 | 1991 | 261,507 | 1990 | 264,370 | 1989 | 270,300 | 1988 | 273,853 | 1987 | 271,748 | 1986 | 268,372 | 1985 | 264,008 | 1984 | 254,897 | 1983 | 240,241 | 1982 | 223,783 | 1981 | 207,832 | 1980 | 194,907 | 1979 | 189,727 | 1978 | 193,858 | 1977 | 201,588 | 1976 | 208,909 | 1975 | 216,512 | 1974 | 221,478 | 1973 | 222,337 | 1972 | 222,610 | 1971 | 222,248 | 1970 | 219,582 | 1969 | 215,491 | 1968 | 210,472 | 1967 | 204,870 | 1966 | 199,188 | 1965 | 193,153 | 1964 | 187,120 | 1963 | 181,645 | 1962 | 176,304 | 1961 | 170,566 | 1960 | 164,635 |
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