Year | Value | 2022 | 363,472 | 2021 | 351,728 | 2020 | 335,310 | 2019 | 320,818 | 2018 | 310,804 | 2017 | 306,988 | 2016 | 316,408 | 2015 | 337,087 | 2014 | 362,320 | 2013 | 392,921 | 2012 | 428,227 | 2011 | 460,874 | 2010 | 486,284 | 2009 | 505,191 | 2008 | 517,423 | 2007 | 522,975 | 2006 | 526,434 | 2005 | 533,301 | 2004 | 543,744 | 2003 | 553,577 | 2002 | 555,411 | 2001 | 544,345 | 2000 | 521,510 | 1999 | 490,344 | 1998 | 455,301 | 1997 | 422,252 | 1996 | 395,533 | 1995 | 376,635 | 1994 | 365,264 | 1993 | 359,385 | 1992 | 356,787 | 1991 | 355,742 | 1990 | 354,531 | 1989 | 352,260 | 1988 | 349,059 | 1987 | 345,075 | 1986 | 340,338 | 1985 | 335,107 | 1984 | 329,555 | 1983 | 323,568 | 1982 | 317,169 | 1981 | 310,609 | 1980 | 304,102 | 1979 | 298,026 | 1978 | 292,554 | 1977 | 287,579 | 1976 | 282,835 | 1975 | 278,230 | 1974 | 273,768 | 1973 | 269,105 | 1972 | 264,202 | 1971 | 259,591 | 1970 | 254,742 | 1969 | 249,668 | 1968 | 245,398 | 1967 | 241,841 | 1966 | 238,377 | 1965 | 234,653 | 1964 | 230,822 | 1963 | 226,992 | 1962 | 223,118 | 1961 | 219,330 | 1960 | 215,711 |
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