Year | Value | 2022 | 49,118,035 | 2021 | 47,574,851 | 2020 | 46,065,978 | 2019 | 44,600,412 | 2018 | 43,197,045 | 2017 | 41,799,533 | 2016 | 40,378,425 | 2015 | 38,997,298 | 2014 | 37,691,853 | 2013 | 36,408,817 | 2012 | 35,181,524 | 2011 | 34,013,052 | 2010 | 32,885,195 | 2009 | 31,828,645 | 2008 | 30,821,476 | 2007 | 29,842,791 | 2006 | 28,890,555 | 2005 | 27,976,983 | 2004 | 27,111,713 | 2003 | 26,310,226 | 2002 | 25,544,321 | 2001 | 24,773,047 | 2000 | 24,034,091 | 1999 | 23,354,337 | 1998 | 22,711,323 | 1997 | 22,190,172 | 1996 | 21,847,781 | 1995 | 21,439,088 | 1994 | 20,555,456 | 1993 | 19,591,730 | 1992 | 18,968,253 | 1991 | 18,397,748 | 1990 | 17,791,559 | 1989 | 17,207,418 | 1988 | 16,665,335 | 1987 | 16,141,001 | 1986 | 15,640,628 | 1985 | 15,171,503 | 1984 | 14,704,790 | 1983 | 14,260,990 | 1982 | 13,861,665 | 1981 | 13,474,847 | 1980 | 13,094,069 | 1979 | 12,685,361 | 1978 | 12,236,543 | 1977 | 11,852,244 | 1976 | 11,546,374 | 1975 | 11,240,199 | 1974 | 10,933,568 | 1973 | 10,632,039 | 1972 | 10,337,329 | 1971 | 10,052,528 | 1970 | 9,767,659 | 1969 | 9,479,366 | 1968 | 9,195,004 | 1967 | 8,915,570 | 1966 | 8,646,180 | 1965 | 8,391,916 | 1964 | 8,155,486 | 1963 | 7,930,330 | 1962 | 7,711,769 | 1961 | 7,502,806 | 1960 | 7,300,971 |
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