Year | Value | 2022 | 217,541 | 2021 | 222,571 | 2020 | 227,506 | 2019 | 231,989 | 2018 | 234,040 | 2017 | 233,897 | 2016 | 231,745 | 2015 | 229,158 | 2014 | 226,118 | 2013 | 225,542 | 2012 | 229,488 | 2011 | 232,555 | 2010 | 233,195 | 2009 | 231,200 | 2008 | 230,078 | 2007 | 228,942 | 2006 | 227,573 | 2005 | 226,387 | 2004 | 227,799 | 2003 | 231,540 | 2002 | 239,120 | 2001 | 244,790 | 2000 | 247,435 | 1999 | 247,328 | 1998 | 247,751 | 1997 | 251,344 | 1996 | 257,838 | 1995 | 257,366 | 1994 | 265,059 | 1993 | 272,625 | 1992 | 281,689 | 1991 | 292,684 | 1990 | 302,831 | 1989 | 312,394 | 1988 | 317,340 | 1987 | 320,348 | 1986 | 319,526 | 1985 | 314,327 | 1984 | 306,253 | 1983 | 296,621 | 1982 | 285,329 | 1981 | 275,540 | 1980 | 264,196 | 1979 | 252,046 | 1978 | 231,787 | 1977 | 217,794 | 1976 | 201,721 | 1975 | 183,059 | 1974 | 162,677 | 1973 | 143,340 | 1972 | 128,707 | 1971 | 119,233 | 1970 | 112,224 | 1969 | 107,633 | 1968 | 107,167 | 1967 | 108,841 | 1966 | 112,158 | 1965 | 118,450 | 1964 | 123,423 | 1963 | 129,025 | 1962 | 133,967 | 1961 | 137,692 | 1960 | 144,205 |
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