Year | Value | 2022 | 457,014 | 2021 | 468,503 | 2020 | 477,104 | 2019 | 477,933 | 2018 | 474,070 | 2017 | 467,443 | 2016 | 459,495 | 2015 | 447,635 | 2014 | 431,566 | 2013 | 414,236 | 2012 | 396,417 | 2011 | 381,374 | 2010 | 368,078 | 2009 | 355,530 | 2008 | 342,688 | 2007 | 328,736 | 2006 | 313,276 | 2005 | 296,140 | 2004 | 278,252 | 2003 | 261,465 | 2002 | 247,201 | 2001 | 237,236 | 2000 | 232,935 | 1999 | 233,804 | 1998 | 237,733 | 1997 | 242,779 | 1996 | 246,865 | 1995 | 249,746 | 1994 | 252,671 | 1993 | 255,447 | 1992 | 257,836 | 1991 | 259,658 | 1990 | 260,030 | 1989 | 258,392 | 1988 | 255,259 | 1987 | 251,095 | 1986 | 246,508 | 1985 | 242,403 | 1984 | 238,433 | 1983 | 233,945 | 1982 | 229,371 | 1981 | 224,779 | 1980 | 219,998 | 1979 | 214,970 | 1978 | 209,840 | 1977 | 204,739 | 1976 | 199,672 | 1975 | 194,655 | 1974 | 189,645 | 1973 | 184,500 | 1972 | 179,157 | 1971 | 173,507 | 1970 | 167,545 | 1969 | 161,231 | 1968 | 154,275 | 1967 | 146,792 | 1966 | 139,146 | 1965 | 131,422 | 1964 | 123,846 | 1963 | 116,993 | 1962 | 111,150 | 1961 | 106,374 | 1960 | 102,950 |
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