Year | Value | 2022 | 277,151 | 2021 | 287,946 | 2020 | 309,118 | 2019 | 320,046 | 2018 | 326,029 | 2017 | 330,302 | 2016 | 333,581 | 2015 | 336,646 | 2014 | 340,651 | 2013 | 343,999 | 2012 | 347,446 | 2011 | 351,511 | 2010 | 356,311 | 2009 | 366,431 | 2008 | 381,106 | 2007 | 395,748 | 2006 | 411,391 | 2005 | 428,067 | 2004 | 440,281 | 2003 | 444,346 | 2002 | 439,737 | 2001 | 427,720 | 2000 | 410,324 | 1999 | 388,350 | 1998 | 365,933 | 1997 | 349,073 | 1996 | 339,094 | 1995 | 334,780 | 1994 | 336,195 | 1993 | 340,724 | 1992 | 341,794 | 1991 | 338,423 | 1990 | 333,125 | 1989 | 324,676 | 1988 | 317,662 | 1987 | 320,818 | 1986 | 332,712 | 1985 | 348,219 | 1984 | 365,799 | 1983 | 381,561 | 1982 | 393,427 | 1981 | 402,947 | 1980 | 410,826 | 1979 | 415,437 | 1978 | 418,824 | 1977 | 424,105 | 1976 | 428,096 | 1975 | 424,475 | 1974 | 416,614 | 1973 | 407,545 | 1972 | 390,128 | 1971 | 366,907 | 1970 | 352,073 | 1969 | 339,402 | 1968 | 320,285 | 1967 | 303,901 | 1966 | 291,692 | 1965 | 282,391 | 1964 | 278,228 | 1963 | 279,900 | 1962 | 286,368 | 1961 | 296,463 | 1960 | 309,947 |
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