Year | Value | 2022 | 73,593,796 | 2021 | 76,460,949 | 2020 | 79,291,708 | 2019 | 81,515,298 | 2018 | 82,716,328 | 2017 | 82,599,956 | 2016 | 81,537,810 | 2015 | 80,391,758 | 2014 | 79,189,058 | 2013 | 78,600,669 | 2012 | 78,048,178 | 2011 | 74,668,062 | 2010 | 69,022,789 | 2009 | 63,535,995 | 2008 | 58,230,780 | 2007 | 54,964,415 | 2006 | 55,268,582 | 2005 | 57,207,186 | 2004 | 59,023,328 | 2003 | 59,681,315 | 2002 | 58,883,592 | 2001 | 57,465,625 | 2000 | 55,653,848 | 1999 | 53,190,004 | 1998 | 50,314,302 | 1997 | 47,017,649 | 1996 | 43,787,765 | 1995 | 40,881,521 | 1994 | 38,159,242 | 1993 | 35,976,161 | 1992 | 34,261,069 | 1991 | 33,047,014 | 1990 | 32,221,069 | 1989 | 31,617,083 | 1988 | 31,192,571 | 1987 | 30,940,005 | 1986 | 30,702,618 | 1985 | 30,543,319 | 1984 | 30,538,146 | 1983 | 30,523,571 | 1982 | 30,279,708 | 1981 | 29,759,487 | 1980 | 29,120,364 | 1979 | 28,425,354 | 1978 | 27,656,440 | 1977 | 26,926,413 | 1976 | 26,264,159 | 1975 | 25,640,812 | 1974 | 25,129,461 | 1973 | 24,591,429 | 1972 | 23,972,128 | 1971 | 23,472,500 | 1970 | 22,979,825 | 1969 | 22,371,130 | 1968 | 21,768,368 | 1967 | 21,310,494 | 1966 | 20,946,345 | 1965 | 20,590,476 | 1964 | 20,394,506 | 1963 | 20,352,494 | 1962 | 20,158,263 | 1961 | 19,860,045 | 1960 | 19,709,526 |
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