Year | Value | 2022 | 618,755 | 2021 | 600,325 | 2020 | 580,675 | 2019 | 561,287 | 2018 | 542,537 | 2017 | 522,506 | 2016 | 500,438 | 2015 | 477,553 | 2014 | 454,655 | 2013 | 432,366 | 2012 | 411,267 | 2011 | 391,967 | 2010 | 375,219 | 2009 | 360,526 | 2008 | 347,764 | 2007 | 336,322 | 2006 | 324,961 | 2005 | 313,391 | 2004 | 301,898 | 2003 | 290,655 | 2002 | 279,917 | 2001 | 269,875 | 2000 | 260,516 | 1999 | 251,743 | 1998 | 243,384 | 1997 | 236,075 | 1996 | 229,794 | 1995 | 223,367 | 1994 | 216,547 | 1993 | 209,825 | 1992 | 203,359 | 1991 | 197,038 | 1990 | 190,298 | 1989 | 182,878 | 1988 | 175,684 | 1987 | 172,043 | 1986 | 172,564 | 1985 | 174,286 | 1984 | 176,543 | 1983 | 178,865 | 1982 | 178,019 | 1981 | 173,503 | 1980 | 168,030 | 1979 | 162,666 | 1978 | 158,010 | 1977 | 153,996 | 1976 | 150,609 | 1975 | 147,807 | 1974 | 145,350 | 1973 | 143,165 | 1972 | 141,312 | 1971 | 139,952 | 1970 | 138,961 | 1969 | 138,202 | 1968 | 137,827 | 1967 | 137,773 | 1966 | 137,991 | 1965 | 138,418 | 1964 | 138,968 | 1963 | 139,584 | 1962 | 140,144 | 1961 | 140,577 | 1960 | 140,838 |
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