Year | Value | 2022 | 47,219,755 | 2021 | 45,647,288 | 2020 | 44,651,802 | 2019 | 44,022,599 | 2018 | 43,691,267 | 2017 | 43,485,109 | 2016 | 42,957,884 | 2015 | 42,130,513 | 2014 | 41,160,577 | 2013 | 40,008,441 | 2012 | 38,734,909 | 2011 | 37,480,554 | 2010 | 36,425,141 | 2009 | 35,589,441 | 2008 | 34,869,081 | 2007 | 34,131,385 | 2006 | 33,337,696 | 2005 | 32,445,890 | 2004 | 31,486,308 | 2003 | 30,428,297 | 2002 | 29,240,342 | 2001 | 28,074,634 | 2000 | 26,882,912 | 1999 | 25,637,106 | 1998 | 24,461,205 | 1997 | 23,422,218 | 1996 | 22,525,651 | 1995 | 21,828,402 | 1994 | 21,377,610 | 1993 | 21,067,261 | 1992 | 20,839,988 | 1991 | 20,636,541 | 1990 | 20,336,152 | 1989 | 19,864,691 | 1988 | 19,293,715 | 1987 | 18,732,351 | 1986 | 18,206,620 | 1985 | 17,720,351 | 1984 | 17,194,164 | 1983 | 16,669,362 | 1982 | 16,172,061 | 1981 | 15,664,947 | 1980 | 15,124,222 | 1979 | 14,530,240 | 1978 | 13,861,332 | 1977 | 13,198,737 | 1976 | 12,582,081 | 1975 | 12,001,800 | 1974 | 11,496,719 | 1973 | 11,041,019 | 1972 | 10,591,587 | 1971 | 10,138,518 | 1970 | 9,739,708 | 1969 | 9,432,858 | 1968 | 9,230,643 | 1967 | 9,085,338 | 1966 | 8,945,138 | 1965 | 8,786,627 | 1964 | 8,575,287 | 1963 | 8,250,599 | 1962 | 7,908,536 | 1961 | 7,677,459 | 1960 | 7,567,499 |
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