Year | Value | 2022 | 57,078,539 | 2021 | 55,740,002 | 2020 | 54,140,320 | 2019 | 51,979,323 | 2018 | 49,509,074 | 2017 | 46,821,380 | 2016 | 44,174,185 | 2015 | 41,571,910 | 2014 | 38,946,432 | 2013 | 36,672,224 | 2012 | 34,741,785 | 2011 | 33,375,552 | 2010 | 32,679,777 | 2009 | 32,422,113 | 2008 | 32,431,767 | 2007 | 32,570,157 | 2006 | 32,444,024 | 2005 | 32,026,575 | 2004 | 31,524,227 | 2003 | 30,922,457 | 2002 | 30,159,287 | 2001 | 29,322,893 | 2000 | 28,604,138 | 1999 | 27,995,086 | 1998 | 27,382,708 | 1997 | 26,762,450 | 1996 | 26,103,250 | 1995 | 25,330,220 | 1994 | 24,490,436 | 1993 | 23,522,701 | 1992 | 22,411,163 | 1991 | 21,390,874 | 1990 | 20,480,680 | 1989 | 19,562,187 | 1988 | 18,711,872 | 1987 | 18,019,508 | 1986 | 17,430,000 | 1985 | 16,940,946 | 1984 | 16,648,969 | 1983 | 16,491,884 | 1982 | 16,336,609 | 1981 | 16,147,791 | 1980 | 15,897,255 | 1979 | 15,522,531 | 1978 | 15,048,071 | 1977 | 14,595,922 | 1976 | 14,205,468 | 1975 | 13,822,373 | 1974 | 13,415,013 | 1973 | 13,030,431 | 1972 | 12,678,869 | 1971 | 12,303,170 | 1970 | 11,892,169 | 1969 | 11,446,974 | 1968 | 10,973,213 | 1967 | 10,539,280 | 1966 | 10,173,808 | 1965 | 9,876,020 | 1964 | 9,680,160 | 1963 | 9,545,679 | 1962 | 9,393,526 | 1961 | 9,269,268 | 1960 | 9,234,310 |
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