Year | Value | 2022 | 233,648 | 2021 | 238,593 | 2020 | 240,791 | 2019 | 242,729 | 2018 | 244,955 | 2017 | 247,120 | 2016 | 250,448 | 2015 | 256,138 | 2014 | 265,345 | 2013 | 276,376 | 2012 | 287,720 | 2011 | 294,148 | 2010 | 297,684 | 2009 | 300,186 | 2008 | 298,435 | 2007 | 292,006 | 2006 | 285,439 | 2005 | 276,923 | 2004 | 262,989 | 2003 | 250,829 | 2002 | 244,137 | 2001 | 242,407 | 2000 | 244,598 | 1999 | 249,765 | 1998 | 256,753 | 1997 | 264,085 | 1996 | 270,212 | 1995 | 274,700 | 1994 | 281,949 | 1993 | 282,631 | 1992 | 281,268 | 1991 | 278,588 | 1990 | 276,713 | 1989 | 274,769 | 1988 | 272,337 | 1987 | 269,551 | 1986 | 266,260 | 1985 | 262,357 | 1984 | 258,374 | 1983 | 252,809 | 1982 | 245,443 | 1981 | 236,146 | 1980 | 223,767 | 1979 | 207,615 | 1978 | 186,981 | 1977 | 163,258 | 1976 | 140,211 | 1975 | 123,397 | 1974 | 117,182 | 1973 | 122,209 | 1972 | 136,457 | 1971 | 155,036 | 1970 | 172,632 | 1969 | 186,403 | 1968 | 194,929 | 1967 | 199,035 | 1966 | 200,456 | 1965 | 200,852 | 1964 | 202,083 | 1963 | 203,394 | 1962 | 204,742 | 1961 | 205,926 | 1960 | 203,847 |
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