Year | Value | 2022 | 2,017,979 | 2021 | 1,962,242 | 2020 | 1,904,570 | 2019 | 1,843,201 | 2018 | 1,779,057 | 2017 | 1,715,887 | 2016 | 1,655,344 | 2015 | 1,598,019 | 2014 | 1,542,360 | 2013 | 1,486,195 | 2012 | 1,428,855 | 2011 | 1,368,985 | 2010 | 1,307,856 | 2009 | 1,254,737 | 2008 | 1,216,543 | 2007 | 1,189,979 | 2006 | 1,164,249 | 2005 | 1,130,695 | 2004 | 1,080,396 | 2003 | 1,008,480 | 2002 | 924,725 | 2001 | 846,244 | 2000 | 785,472 | 1999 | 744,591 | 1998 | 723,086 | 1997 | 717,878 | 1996 | 722,953 | 1995 | 732,214 | 1994 | 743,065 | 1993 | 752,868 | 1992 | 758,048 | 1991 | 758,019 | 1990 | 753,436 | 1989 | 743,146 | 1988 | 726,671 | 1987 | 706,831 | 1986 | 687,183 | 1985 | 669,498 | 1984 | 652,907 | 1983 | 637,239 | 1982 | 622,967 | 1981 | 609,222 | 1980 | 595,230 | 1979 | 581,587 | 1978 | 568,728 | 1977 | 556,356 | 1976 | 544,796 | 1975 | 533,849 | 1974 | 523,066 | 1973 | 512,600 | 1972 | 502,250 | 1971 | 491,915 | 1970 | 481,522 | 1969 | 471,044 | 1968 | 460,646 | 1967 | 450,194 | 1966 | 439,396 | 1965 | 427,930 | 1964 | 415,991 | 1963 | 403,692 | 1962 | 391,245 | 1961 | 379,339 | 1960 | 368,350 |
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