Year | Value | 2022 | 66,399,249 | 2021 | 64,957,639 | 2020 | 63,101,423 | 2019 | 60,574,354 | 2018 | 57,593,584 | 2017 | 54,203,251 | 2016 | 50,801,566 | 2015 | 47,468,456 | 2014 | 44,086,062 | 2013 | 41,166,869 | 2012 | 38,830,880 | 2011 | 37,271,792 | 2010 | 36,507,312 | 2009 | 36,328,364 | 2008 | 36,486,027 | 2007 | 36,720,058 | 2006 | 36,596,947 | 2005 | 36,148,589 | 2004 | 35,581,330 | 2003 | 34,876,624 | 2002 | 34,072,827 | 2001 | 33,215,146 | 2000 | 32,473,166 | 1999 | 31,924,521 | 1998 | 31,463,822 | 1997 | 30,958,808 | 1996 | 30,387,619 | 1995 | 29,736,200 | 1994 | 29,025,130 | 1993 | 28,166,639 | 1992 | 27,123,336 | 1991 | 26,093,504 | 1990 | 25,057,124 | 1989 | 23,956,361 | 1988 | 22,929,940 | 1987 | 22,083,958 | 1986 | 21,413,455 | 1985 | 20,934,765 | 1984 | 20,717,331 | 1983 | 20,631,801 | 1982 | 20,574,939 | 1981 | 20,489,261 | 1980 | 20,280,507 | 1979 | 19,915,942 | 1978 | 19,443,417 | 1977 | 18,984,129 | 1976 | 18,589,158 | 1975 | 18,222,346 | 1974 | 17,794,412 | 1973 | 17,361,603 | 1972 | 16,970,204 | 1971 | 16,549,605 | 1970 | 16,043,302 | 1969 | 15,449,557 | 1968 | 14,788,061 | 1967 | 14,139,341 | 1966 | 13,561,913 | 1965 | 13,042,545 | 1964 | 12,678,787 | 1963 | 12,449,366 | 1962 | 12,219,278 | 1961 | 12,022,133 | 1960 | 11,900,780 |
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