Year | Value | 2022 | 401,299 | 2021 | 399,170 | 2020 | 394,874 | 2019 | 389,875 | 2018 | 384,087 | 2017 | 379,292 | 2016 | 373,397 | 2015 | 367,746 | 2014 | 363,623 | 2013 | 359,337 | 2012 | 355,789 | 2011 | 354,106 | 2010 | 350,898 | 2009 | 346,385 | 2008 | 344,604 | 2007 | 340,590 | 2006 | 333,254 | 2005 | 328,841 | 2004 | 325,362 | 2003 | 318,236 | 2002 | 310,080 | 2001 | 302,923 | 2000 | 294,300 | 1999 | 287,795 | 1998 | 285,797 | 1997 | 286,614 | 1996 | 290,784 | 1995 | 296,313 | 1994 | 298,557 | 1993 | 298,437 | 1992 | 299,639 | 1991 | 300,886 | 1990 | 300,926 | 1989 | 300,897 | 1988 | 300,993 | 1987 | 299,467 | 1986 | 297,928 | 1985 | 297,062 | 1984 | 295,601 | 1983 | 293,342 | 1982 | 289,631 | 1981 | 284,397 | 1980 | 278,109 | 1979 | 268,359 | 1978 | 255,854 | 1977 | 245,598 | 1976 | 238,558 | 1975 | 226,878 | 1974 | 219,223 | 1973 | 222,490 | 1972 | 227,734 | 1971 | 232,723 | 1970 | 240,340 | 1969 | 244,522 | 1968 | 244,196 | 1967 | 244,183 | 1966 | 244,192 | 1965 | 240,927 | 1964 | 238,419 | 1963 | 238,608 | 1962 | 235,079 | 1961 | 229,158 | 1960 | 227,427 |
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