Year | Value | 2022 | 26,467,650 | 2021 | 26,429,335 | 2020 | 26,376,693 | 2019 | 26,305,077 | 2018 | 26,238,017 | 2017 | 26,162,178 | 2016 | 26,044,230 | 2015 | 25,894,222 | 2014 | 25,730,608 | 2013 | 25,554,625 | 2012 | 25,369,486 | 2011 | 25,163,361 | 2010 | 24,922,675 | 2009 | 24,677,266 | 2008 | 24,407,145 | 2007 | 24,104,145 | 2006 | 23,776,777 | 2005 | 23,436,332 | 2004 | 23,080,245 | 2003 | 22,729,505 | 2002 | 22,397,255 | 2001 | 22,074,017 | 2000 | 21,755,702 | 1999 | 21,442,238 | 1998 | 21,128,764 | 1997 | 20,819,377 | 1996 | 20,531,240 | 1995 | 20,270,555 | 1994 | 20,028,202 | 1993 | 19,780,693 | 1992 | 19,502,986 | 1991 | 19,178,762 | 1990 | 18,799,530 | 1989 | 18,380,439 | 1988 | 17,938,591 | 1987 | 17,478,204 | 1986 | 17,009,469 | 1985 | 16,534,834 | 1984 | 16,057,181 | 1983 | 15,576,582 | 1982 | 15,097,963 | 1981 | 14,631,746 | 1980 | 14,175,139 | 1979 | 13,724,073 | 1978 | 13,267,816 | 1977 | 12,800,455 | 1976 | 12,337,489 | 1975 | 11,877,836 | 1974 | 11,423,444 | 1973 | 11,002,182 | 1972 | 10,631,645 | 1971 | 10,306,290 | 1970 | 10,017,639 | 1969 | 9,753,394 | 1968 | 9,502,347 | 1967 | 9,260,283 | 1966 | 9,034,158 | 1965 | 8,830,387 | 1964 | 8,649,089 | 1963 | 8,493,455 | 1962 | 8,359,558 | 1961 | 8,235,544 | 1960 | 8,119,741 |
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