Year | Value | 2022 | 85,004,524 | 2021 | 83,200,221 | 2020 | 81,400,042 | 2019 | 79,572,419 | 2018 | 77,692,076 | 2017 | 75,821,308 | 2016 | 74,012,976 | 2015 | 72,172,894 | 2014 | 70,278,892 | 2013 | 68,353,689 | 2012 | 66,448,227 | 2011 | 64,556,397 | 2010 | 62,661,431 | 2009 | 60,824,866 | 2008 | 59,071,167 | 2007 | 57,263,130 | 2006 | 55,367,185 | 2005 | 53,476,482 | 2004 | 51,576,685 | 2003 | 49,443,867 | 2002 | 47,223,211 | 2001 | 45,170,301 | 2000 | 43,202,088 | 1999 | 41,337,623 | 1998 | 39,830,235 | 1997 | 38,681,266 | 1996 | 37,644,423 | 1995 | 36,736,378 | 1994 | 35,993,099 | 1993 | 35,383,589 | 1992 | 34,839,698 | 1991 | 34,286,331 | 1990 | 33,670,549 | 1989 | 33,005,608 | 1988 | 32,342,591 | 1987 | 31,651,409 | 1986 | 30,974,152 | 1985 | 30,356,326 | 1984 | 29,779,349 | 1983 | 29,208,388 | 1982 | 28,638,388 | 1981 | 28,042,741 | 1980 | 27,438,971 | 1979 | 26,826,606 | 1978 | 26,176,001 | 1977 | 25,513,912 | 1976 | 24,863,977 | 1975 | 24,233,015 | 1974 | 23,615,062 | 1973 | 23,016,264 | 1972 | 22,450,613 | 1971 | 21,949,511 | 1970 | 21,491,056 | 1969 | 21,045,813 | 1968 | 20,624,805 | 1967 | 20,227,536 | 1966 | 19,856,538 | 1965 | 19,513,632 | 1964 | 19,177,740 | 1963 | 18,845,823 | 1962 | 18,520,426 | 1961 | 18,168,772 | 1960 | 17,780,135 |
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