Year | Value | 2022 | 619,535 | 2021 | 609,953 | 2020 | 599,908 | 2019 | 587,591 | 2018 | 572,789 | 2017 | 556,287 | 2016 | 539,977 | 2015 | 524,270 | 2014 | 508,827 | 2013 | 494,533 | 2012 | 481,843 | 2011 | 470,770 | 2010 | 461,517 | 2009 | 457,762 | 2008 | 451,676 | 2007 | 447,282 | 2006 | 443,090 | 2005 | 438,392 | 2004 | 434,000 | 2003 | 430,367 | 2002 | 427,113 | 2001 | 423,180 | 2000 | 418,242 | 1999 | 412,228 | 1998 | 405,135 | 1997 | 397,291 | 1996 | 388,464 | 1995 | 378,673 | 1994 | 368,068 | 1993 | 357,154 | 1992 | 346,640 | 1991 | 336,609 | 1990 | 327,647 | 1989 | 319,796 | 1988 | 313,027 | 1987 | 307,162 | 1986 | 301,421 | 1985 | 295,420 | 1984 | 289,770 | 1983 | 284,284 | 1982 | 278,642 | 1981 | 273,180 | 1980 | 267,850 | 1979 | 262,462 | 1978 | 256,841 | 1977 | 251,067 | 1976 | 245,155 | 1975 | 238,856 | 1974 | 232,111 | 1973 | 224,998 | 1972 | 217,680 | 1971 | 210,664 | 1970 | 204,037 | 1969 | 198,076 | 1968 | 192,759 | 1967 | 187,438 | 1966 | 181,931 | 1965 | 176,429 | 1964 | 171,159 | 1963 | 165,932 | 1962 | 160,564 | 1961 | 154,850 | 1960 | 148,770 |
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