Year | Value | 2022 | 454,426 | 2021 | 451,512 | 2020 | 455,666 | 2019 | 465,043 | 2018 | 477,054 | 2017 | 487,300 | 2016 | 494,324 | 2015 | 494,015 | 2014 | 482,031 | 2013 | 461,956 | 2012 | 440,278 | 2011 | 421,088 | 2010 | 406,117 | 2009 | 396,525 | 2008 | 389,170 | 2007 | 379,823 | 2006 | 366,519 | 2005 | 352,925 | 2004 | 341,961 | 2003 | 331,090 | 2002 | 322,123 | 2001 | 316,395 | 2000 | 311,802 | 1999 | 305,440 | 1998 | 296,258 | 1997 | 286,103 | 1996 | 276,506 | 1995 | 268,197 | 1994 | 264,839 | 1993 | 267,841 | 1992 | 268,812 | 1991 | 264,413 | 1990 | 259,551 | 1989 | 255,539 | 1988 | 252,781 | 1987 | 250,770 | 1986 | 246,973 | 1985 | 241,487 | 1984 | 234,900 | 1983 | 222,512 | 1982 | 203,379 | 1981 | 184,212 | 1980 | 145,320 | 1979 | 115,226 | 1978 | 126,587 | 1977 | 142,082 | 1976 | 146,162 | 1975 | 145,052 | 1974 | 142,259 | 1973 | 138,504 | 1972 | 134,990 | 1971 | 132,011 | 1970 | 129,547 | 1969 | 126,520 | 1968 | 123,055 | 1967 | 120,145 | 1966 | 117,588 | 1965 | 115,255 | 1964 | 113,207 | 1963 | 111,553 | 1962 | 110,086 | 1961 | 108,396 | 1960 | 106,266 |
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