Year | Value | 2022 | 89,108,272 | 2021 | 88,122,361 | 2020 | 87,014,278 | 2019 | 85,960,679 | 2018 | 85,636,144 | 2017 | 85,460,332 | 2016 | 82,578,107 | 2015 | 77,480,178 | 2014 | 72,459,492 | 2013 | 67,488,828 | 2012 | 64,418,566 | 2011 | 64,752,537 | 2010 | 66,650,719 | 2009 | 68,482,409 | 2008 | 69,141,809 | 2007 | 68,335,998 | 2006 | 66,938,468 | 2005 | 65,100,177 | 2004 | 62,588,946 | 2003 | 59,632,644 | 2002 | 56,126,095 | 2001 | 52,522,597 | 2000 | 48,904,464 | 1999 | 45,131,808 | 1998 | 41,877,540 | 1997 | 39,335,467 | 1996 | 37,746,999 | 1995 | 37,119,047 | 1994 | 37,160,909 | 1993 | 37,590,497 | 1992 | 38,114,138 | 1991 | 38,232,606 | 1990 | 38,050,500 | 1989 | 37,757,084 | 1988 | 37,264,101 | 1987 | 36,663,658 | 1986 | 35,982,487 | 1985 | 35,408,446 | 1984 | 35,051,838 | 1983 | 34,795,909 | 1982 | 34,481,751 | 1981 | 34,075,180 | 1980 | 33,588,888 | 1979 | 33,024,214 | 1978 | 32,290,022 | 1977 | 31,353,138 | 1976 | 30,397,810 | 1975 | 29,333,967 | 1974 | 28,133,889 | 1973 | 26,955,281 | 1972 | 25,904,338 | 1971 | 25,071,239 | 1970 | 24,531,306 | 1969 | 24,420,358 | 1968 | 24,562,619 | 1967 | 24,735,545 | 1966 | 24,821,112 | 1965 | 24,729,222 | 1964 | 24,465,802 | 1963 | 24,112,897 | 1962 | 23,750,112 | 1961 | 23,550,570 | 1960 | 23,507,278 |
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