Year | Value | 2022 | 434,751 | 2021 | 427,925 | 2020 | 420,241 | 2019 | 413,347 | 2018 | 407,900 | 2017 | 402,872 | 2016 | 397,684 | 2015 | 392,469 | 2014 | 386,812 | 2013 | 380,406 | 2012 | 374,089 | 2011 | 368,033 | 2010 | 361,464 | 2009 | 354,463 | 2008 | 347,719 | 2007 | 341,140 | 2006 | 334,485 | 2005 | 328,196 | 2004 | 322,350 | 2003 | 316,813 | 2002 | 312,327 | 2001 | 310,467 | 2000 | 310,356 | 1999 | 310,344 | 1998 | 310,232 | 1997 | 309,300 | 1996 | 307,215 | 1995 | 304,274 | 1994 | 300,543 | 1993 | 294,546 | 1992 | 286,265 | 1991 | 276,982 | 1990 | 266,726 | 1989 | 255,677 | 1988 | 244,100 | 1987 | 232,190 | 1986 | 220,131 | 1985 | 208,216 | 1984 | 196,753 | 1983 | 186,525 | 1982 | 177,519 | 1981 | 168,995 | 1980 | 160,974 | 1979 | 153,525 | 1978 | 146,288 | 1977 | 139,771 | 1976 | 134,934 | 1975 | 131,678 | 1974 | 129,891 | 1973 | 129,424 | 1972 | 129,569 | 1971 | 129,518 | 1970 | 128,869 | 1969 | 127,509 | 1968 | 125,302 | 1967 | 122,420 | 1966 | 119,332 | 1965 | 116,311 | 1964 | 113,196 | 1963 | 109,815 | 1962 | 106,317 | 1961 | 102,830 | 1960 | 99,421 |
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