Year | Value | 2022 | 49,685,569 | 2021 | 49,331,842 | 2020 | 48,922,527 | 2019 | 48,488,283 | 2018 | 48,058,062 | 2017 | 47,620,370 | 2016 | 47,171,586 | 2015 | 46,709,887 | 2014 | 46,239,694 | 2013 | 45,764,918 | 2012 | 45,291,192 | 2011 | 44,823,899 | 2010 | 44,362,702 | 2009 | 43,906,522 | 2008 | 43,478,136 | 2007 | 43,082,251 | 2006 | 42,699,789 | 2005 | 42,317,983 | 2004 | 41,924,749 | 2003 | 41,527,860 | 2002 | 41,131,420 | 2001 | 40,739,120 | 2000 | 40,349,076 | 1999 | 39,911,077 | 1998 | 39,406,200 | 1997 | 38,871,168 | 1996 | 38,312,278 | 1995 | 37,713,859 | 1994 | 37,077,094 | 1993 | 36,404,639 | 1992 | 35,702,394 | 1991 | 34,980,963 | 1990 | 34,252,096 | 1989 | 33,523,705 | 1988 | 32,800,407 | 1987 | 32,083,720 | 1986 | 31,363,658 | 1985 | 30,644,658 | 1984 | 29,929,729 | 1983 | 29,217,704 | 1982 | 28,513,054 | 1981 | 27,823,250 | 1980 | 27,153,723 | 1979 | 26,536,144 | 1978 | 25,926,712 | 1977 | 25,280,657 | 1976 | 24,649,701 | 1975 | 24,045,794 | 1974 | 23,489,125 | 1973 | 22,956,827 | 1972 | 22,432,997 | 1971 | 21,906,796 | 1970 | 21,386,807 | 1969 | 20,904,008 | 1968 | 20,439,724 | 1967 | 19,983,799 | 1966 | 19,520,339 | 1965 | 19,044,946 | 1964 | 18,554,801 | 1963 | 18,053,403 | 1962 | 17,548,591 | 1961 | 17,086,013 | 1960 | 16,628,809 |
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