Year | Value | 2022 | 414,105 | 2021 | 412,374 | 2020 | 410,602 | 2019 | 407,912 | 2018 | 404,530 | 2017 | 400,795 | 2016 | 396,726 | 2015 | 392,444 | 2014 | 388,043 | 2013 | 383,501 | 2012 | 378,645 | 2011 | 373,229 | 2010 | 366,572 | 2009 | 358,900 | 2008 | 351,324 | 2007 | 343,833 | 2006 | 336,421 | 2005 | 329,081 | 2004 | 321,802 | 2003 | 314,580 | 2002 | 307,486 | 2001 | 301,326 | 2000 | 297,291 | 1999 | 293,202 | 1998 | 288,987 | 1997 | 284,651 | 1996 | 280,202 | 1995 | 275,646 | 1994 | 270,940 | 1993 | 266,034 | 1992 | 262,596 | 1991 | 262,188 | 1990 | 261,971 | 1989 | 261,574 | 1988 | 261,002 | 1987 | 260,301 | 1986 | 259,448 | 1985 | 258,438 | 1984 | 257,270 | 1983 | 255,951 | 1982 | 257,855 | 1981 | 269,309 | 1980 | 281,146 | 1979 | 292,970 | 1978 | 304,638 | 1977 | 316,109 | 1976 | 327,270 | 1975 | 340,054 | 1974 | 356,676 | 1973 | 372,483 | 1972 | 376,870 | 1971 | 378,380 | 1970 | 379,606 | 1969 | 380,551 | 1968 | 381,204 | 1967 | 381,576 | 1966 | 381,645 | 1965 | 381,593 | 1964 | 381,603 | 1963 | 381,387 | 1962 | 380,649 | 1961 | 379,613 | 1960 | 377,043 |
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