Year | Value | 2022 | 224,248 | 2021 | 223,505 | 2020 | 224,401 | 2019 | 226,214 | 2018 | 229,565 | 2017 | 234,680 | 2016 | 238,974 | 2015 | 238,852 | 2014 | 239,067 | 2013 | 244,012 | 2012 | 248,810 | 2011 | 252,423 | 2010 | 255,439 | 2009 | 256,981 | 2008 | 256,768 | 2007 | 255,215 | 2006 | 252,840 | 2005 | 250,696 | 2004 | 248,752 | 2003 | 246,933 | 2002 | 246,394 | 2001 | 247,307 | 2000 | 247,964 | 1999 | 246,736 | 1998 | 243,664 | 1997 | 239,771 | 1996 | 236,025 | 1995 | 234,619 | 1994 | 236,905 | 1993 | 241,272 | 1992 | 246,538 | 1991 | 253,547 | 1990 | 261,592 | 1989 | 270,797 | 1988 | 283,700 | 1987 | 297,938 | 1986 | 309,219 | 1985 | 318,298 | 1984 | 325,755 | 1983 | 330,724 | 1982 | 334,015 | 1981 | 334,976 | 1980 | 332,842 | 1979 | 328,532 | 1978 | 322,303 | 1977 | 314,575 | 1976 | 305,364 | 1975 | 296,257 | 1974 | 288,099 | 1973 | 279,508 | 1972 | 270,556 | 1971 | 261,358 | 1970 | 254,572 | 1969 | 252,205 | 1968 | 254,079 | 1967 | 259,272 | 1966 | 261,782 | 1965 | 256,086 | 1964 | 252,114 | 1963 | 253,498 | 1962 | 252,955 | 1961 | 259,979 | 1960 | 282,057 |
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