Year | Value | 2022 | 750,886 | 2021 | 743,267 | 2020 | 721,896 | 2019 | 694,015 | 2018 | 644,762 | 2017 | 570,614 | 2016 | 502,962 | 2015 | 470,255 | 2014 | 463,189 | 2013 | 469,953 | 2012 | 499,883 | 2011 | 547,666 | 2010 | 576,381 | 2009 | 583,107 | 2008 | 592,152 | 2007 | 599,004 | 2006 | 602,987 | 2005 | 607,202 | 2004 | 612,484 | 2003 | 616,056 | 2002 | 616,740 | 2001 | 612,715 | 2000 | 601,693 | 1999 | 584,644 | 1998 | 562,440 | 1997 | 536,263 | 1996 | 509,899 | 1995 | 485,752 | 1994 | 462,367 | 1993 | 438,719 | 1992 | 417,523 | 1991 | 399,455 | 1990 | 382,755 | 1989 | 366,813 | 1988 | 352,038 | 1987 | 338,166 | 1986 | 323,748 | 1985 | 309,206 | 1984 | 295,058 | 1983 | 281,235 | 1982 | 267,263 | 1981 | 252,889 | 1980 | 237,811 | 1979 | 222,352 | 1978 | 207,407 | 1977 | 194,143 | 1976 | 183,525 | 1975 | 176,158 | 1974 | 171,713 | 1973 | 169,095 | 1972 | 167,539 | 1971 | 166,147 | 1970 | 164,505 | 1969 | 162,573 | 1968 | 160,408 | 1967 | 157,963 | 1966 | 155,389 | 1965 | 152,814 | 1964 | 150,144 | 1963 | 147,160 | 1962 | 144,043 | 1961 | 141,278 | 1960 | 139,128 |
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