Year | Value | 2022 | 654,564 | 2021 | 617,224 | 2020 | 589,805 | 2019 | 573,261 | 2018 | 567,371 | 2017 | 569,682 | 2016 | 579,091 | 2015 | 584,568 | 2014 | 580,806 | 2013 | 576,090 | 2012 | 568,289 | 2011 | 556,031 | 2010 | 541,684 | 2009 | 525,944 | 2008 | 506,491 | 2007 | 485,848 | 2006 | 468,185 | 2005 | 451,971 | 2004 | 436,248 | 2003 | 420,042 | 2002 | 402,297 | 2001 | 381,934 | 2000 | 359,511 | 1999 | 337,070 | 1998 | 316,994 | 1997 | 301,174 | 1996 | 295,118 | 1995 | 298,079 | 1994 | 303,722 | 1993 | 310,145 | 1992 | 315,514 | 1991 | 315,587 | 1990 | 312,535 | 1989 | 312,133 | 1988 | 313,979 | 1987 | 316,692 | 1986 | 318,663 | 1985 | 319,480 | 1984 | 318,275 | 1983 | 314,400 | 1982 | 308,945 | 1981 | 302,828 | 1980 | 296,494 | 1979 | 289,992 | 1978 | 283,409 | 1977 | 276,960 | 1976 | 270,671 | 1975 | 264,466 | 1974 | 258,343 | 1973 | 252,309 | 1972 | 246,420 | 1971 | 240,513 | 1970 | 234,896 | 1969 | 229,481 | 1968 | 223,660 | 1967 | 217,362 | 1966 | 210,526 | 1965 | 203,215 | 1964 | 195,465 | 1963 | 186,992 | 1962 | 177,887 | 1961 | 168,643 | 1960 | 160,186 |
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