Year | Value | 2022 | 39,334,703 | 2021 | 38,693,240 | 2020 | 38,059,700 | 2019 | 37,295,125 | 2018 | 36,550,776 | 2017 | 35,834,915 | 2016 | 35,110,446 | 2015 | 34,394,336 | 2014 | 33,729,266 | 2013 | 33,101,770 | 2012 | 32,519,737 | 2011 | 31,882,160 | 2010 | 31,187,631 | 2009 | 30,339,603 | 2008 | 29,511,888 | 2007 | 28,692,389 | 2006 | 27,789,492 | 2005 | 26,901,374 | 2004 | 26,058,880 | 2003 | 25,180,101 | 2002 | 24,342,487 | 2001 | 23,525,097 | 2000 | 22,692,301 | 1999 | 22,124,497 | 1998 | 21,958,239 | 1997 | 21,961,453 | 1996 | 21,932,855 | 1995 | 21,749,758 | 1994 | 21,310,798 | 1993 | 20,706,534 | 1992 | 20,022,855 | 1991 | 19,302,376 | 1990 | 18,604,277 | 1989 | 17,921,218 | 1988 | 17,255,611 | 1987 | 16,602,740 | 1986 | 16,002,513 | 1985 | 15,456,749 | 1984 | 14,920,116 | 1983 | 14,419,997 | 1982 | 13,882,586 | 1981 | 13,337,050 | 1980 | 12,847,723 | 1979 | 12,377,759 | 1978 | 11,922,585 | 1977 | 11,475,128 | 1976 | 11,061,907 | 1975 | 10,671,565 | 1974 | 10,295,470 | 1973 | 9,965,097 | 1972 | 9,659,615 | 1971 | 9,345,647 | 1970 | 9,021,135 | 1969 | 8,699,460 | 1968 | 8,376,434 | 1967 | 8,061,453 | 1966 | 7,757,878 | 1965 | 7,474,407 | 1964 | 7,180,985 | 1963 | 6,914,404 | 1962 | 6,691,042 | 1961 | 6,451,998 | 1960 | 6,209,444 |
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