Year | Value | 2022 | 562,478 | 2021 | 587,243 | 2020 | 592,292 | 2019 | 583,927 | 2018 | 567,105 | 2017 | 547,879 | 2016 | 529,575 | 2015 | 514,996 | 2014 | 501,816 | 2013 | 487,806 | 2012 | 472,289 | 2011 | 454,795 | 2010 | 431,409 | 2009 | 403,664 | 2008 | 377,912 | 2007 | 358,442 | 2006 | 342,282 | 2005 | 326,914 | 2004 | 315,267 | 2003 | 303,539 | 2002 | 289,900 | 2001 | 277,534 | 2000 | 265,544 | 1999 | 254,942 | 1998 | 259,444 | 1997 | 278,934 | 1996 | 294,503 | 1995 | 300,115 | 1994 | 296,846 | 1993 | 288,736 | 1992 | 278,994 | 1991 | 273,131 | 1990 | 270,097 | 1989 | 264,005 | 1988 | 258,321 | 1987 | 251,609 | 1986 | 243,163 | 1985 | 234,547 | 1984 | 224,935 | 1983 | 214,258 | 1982 | 203,574 | 1981 | 194,123 | 1980 | 181,125 | 1979 | 169,281 | 1978 | 164,510 | 1977 | 161,347 | 1976 | 158,908 | 1975 | 156,589 | 1974 | 154,457 | 1973 | 152,726 | 1972 | 149,953 | 1971 | 145,872 | 1970 | 141,184 | 1969 | 135,887 | 1968 | 130,162 | 1967 | 123,416 | 1966 | 115,762 | 1965 | 108,544 | 1964 | 101,565 | 1963 | 94,957 | 1962 | 89,089 | 1961 | 83,412 | 1960 | 78,200 |
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