Year | Value | 2022 | 49,333,017 | 2021 | 46,257,180 | 2020 | 43,214,612 | 2019 | 40,093,032 | 2018 | 37,375,187 | 2017 | 35,190,746 | 2016 | 33,700,002 | 2015 | 32,913,430 | 2014 | 32,640,909 | 2013 | 32,670,420 | 2012 | 32,768,947 | 2011 | 32,548,061 | 2010 | 32,079,786 | 2009 | 31,546,684 | 2008 | 30,888,772 | 2007 | 30,127,508 | 2006 | 29,323,418 | 2005 | 28,608,373 | 2004 | 28,050,571 | 2003 | 27,591,971 | 2002 | 27,103,089 | 2001 | 26,553,677 | 2000 | 25,936,728 | 1999 | 25,267,581 | 1998 | 24,465,695 | 1997 | 23,496,696 | 1996 | 22,549,169 | 1995 | 21,577,692 | 1994 | 20,543,291 | 1993 | 19,575,849 | 1992 | 18,776,707 | 1991 | 18,145,214 | 1990 | 17,697,532 | 1989 | 17,463,337 | 1988 | 17,342,315 | 1987 | 17,255,775 | 1986 | 17,142,178 | 1985 | 16,926,657 | 1984 | 16,575,730 | 1983 | 16,144,424 | 1982 | 15,739,646 | 1981 | 15,388,689 | 1980 | 15,070,841 | 1979 | 14,694,295 | 1978 | 14,296,861 | 1977 | 13,921,244 | 1976 | 13,533,205 | 1975 | 13,075,931 | 1974 | 12,531,065 | 1973 | 11,915,758 | 1972 | 11,329,790 | 1971 | 10,790,434 | 1970 | 10,320,842 | 1969 | 9,978,601 | 1968 | 9,701,174 | 1967 | 9,436,810 | 1966 | 9,146,965 | 1965 | 8,837,071 | 1964 | 8,565,537 | 1963 | 8,396,821 | 1962 | 8,255,497 | 1961 | 8,183,936 | 1960 | 8,259,396 |
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