Year | Value | 2022 | 67,971,311 | 2021 | 67,764,304 | 2020 | 67,571,107 | 2019 | 67,388,001 | 2018 | 67,158,348 | 2017 | 66,918,020 | 2016 | 66,724,104 | 2015 | 66,548,272 | 2014 | 66,312,067 | 2013 | 66,002,289 | 2012 | 65,662,240 | 2011 | 65,345,233 | 2010 | 65,030,575 | 2009 | 64,710,879 | 2008 | 64,379,696 | 2007 | 64,021,737 | 2006 | 63,628,261 | 2005 | 63,188,395 | 2004 | 62,716,306 | 2003 | 62,256,970 | 2002 | 61,816,234 | 2001 | 61,367,388 | 2000 | 60,921,384 | 1999 | 60,504,420 | 1998 | 60,192,790 | 1997 | 59,969,944 | 1996 | 59,756,533 | 1995 | 59,543,659 | 1994 | 59,327,585 | 1993 | 59,106,166 | 1992 | 58,849,943 | 1991 | 58,557,577 | 1990 | 58,044,701 | 1989 | 57,766,282 | 1988 | 57,472,651 | 1987 | 57,168,409 | 1986 | 56,865,193 | 1985 | 56,569,195 | 1984 | 56,275,701 | 1983 | 55,992,656 | 1982 | 55,694,106 | 1981 | 55,371,044 | 1980 | 55,052,582 | 1979 | 54,753,575 | 1978 | 54,486,195 | 1977 | 54,221,988 | 1976 | 53,966,558 | 1975 | 53,715,733 | 1974 | 53,415,250 | 1973 | 53,053,660 | 1972 | 52,637,888 | 1971 | 52,185,222 | 1970 | 51,724,116 | 1969 | 51,272,683 | 1968 | 50,817,020 | 1967 | 50,334,012 | 1966 | 49,817,041 | 1965 | 49,282,756 | 1964 | 48,733,997 | 1963 | 48,189,939 | 1962 | 47,679,792 | 1961 | 47,161,641 | 1960 | 46,649,927 |
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