Year | Value | 2022 | 402,229 | 2021 | 403,354 | 2020 | 403,782 | 2019 | 402,929 | 2018 | 400,776 | 2017 | 397,804 | 2016 | 394,356 | 2015 | 391,059 | 2014 | 390,510 | 2013 | 392,315 | 2012 | 394,019 | 2011 | 395,739 | 2010 | 396,929 | 2009 | 396,626 | 2008 | 395,485 | 2007 | 394,981 | 2006 | 395,669 | 2005 | 397,804 | 2004 | 402,182 | 2003 | 407,408 | 2002 | 411,317 | 2001 | 414,098 | 2000 | 416,788 | 1999 | 420,481 | 1998 | 424,868 | 1997 | 428,204 | 1996 | 428,357 | 1995 | 425,332 | 1994 | 419,997 | 1993 | 412,297 | 1992 | 403,012 | 1991 | 392,935 | 1990 | 382,381 | 1989 | 371,669 | 1988 | 360,829 | 1987 | 349,897 | 1986 | 338,995 | 1985 | 328,373 | 1984 | 318,341 | 1983 | 309,215 | 1982 | 301,247 | 1981 | 294,496 | 1980 | 288,749 | 1979 | 283,642 | 1978 | 278,733 | 1977 | 273,485 | 1976 | 267,651 | 1975 | 261,286 | 1974 | 254,518 | 1973 | 247,649 | 1972 | 240,974 | 1971 | 234,521 | 1970 | 228,255 | 1969 | 222,260 | 1968 | 216,607 | 1967 | 211,230 | 1966 | 206,135 | 1965 | 201,233 | 1964 | 196,483 | 1963 | 191,942 | 1962 | 187,574 | 1961 | 183,422 | 1960 | 179,491 |
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