Year | Value | 2022 | 70,563,513 | 2021 | 71,131,659 | 2020 | 71,732,427 | 2019 | 72,613,088 | 2018 | 73,928,593 | 2017 | 75,406,694 | 2016 | 77,175,148 | 2015 | 80,288,392 | 2014 | 84,121,696 | 2013 | 87,174,572 | 2012 | 89,879,210 | 2011 | 91,838,424 | 2010 | 91,351,800 | 2009 | 89,204,542 | 2008 | 87,003,055 | 2007 | 85,091,530 | 2006 | 83,437,696 | 2005 | 81,857,936 | 2004 | 80,498,982 | 2003 | 79,131,378 | 2002 | 76,988,621 | 2001 | 74,932,153 | 2000 | 74,155,174 | 1999 | 74,629,460 | 1998 | 76,575,551 | 1997 | 79,401,308 | 1996 | 82,272,629 | 1995 | 85,142,015 | 1994 | 87,382,021 | 1993 | 88,538,613 | 1992 | 88,306,662 | 1991 | 87,117,504 | 1990 | 85,961,303 | 1989 | 84,810,537 | 1988 | 84,260,435 | 1987 | 83,741,872 | 1986 | 80,174,225 | 1985 | 74,064,818 | 1984 | 68,099,343 | 1983 | 62,336,548 | 1982 | 58,768,331 | 1981 | 59,088,117 | 1980 | 61,268,560 | 1979 | 63,361,949 | 1978 | 64,134,476 | 1977 | 63,308,872 | 1976 | 61,873,749 | 1975 | 59,996,395 | 1974 | 57,474,732 | 1973 | 54,640,649 | 1972 | 51,460,714 | 1971 | 48,351,132 | 1970 | 45,512,861 | 1969 | 42,894,144 | 1968 | 40,814,692 | 1967 | 39,109,342 | 1966 | 37,920,028 | 1965 | 37,242,137 | 1964 | 36,913,925 | 1963 | 36,893,965 | 1962 | 37,046,141 | 1961 | 37,206,864 | 1960 | 37,522,075 |
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