Year | Value | 2022 | 47,089,628 | 2021 | 45,644,650 | 2020 | 44,259,027 | 2019 | 42,909,537 | 2018 | 41,657,010 | 2017 | 40,497,651 | 2016 | 39,361,020 | 2015 | 38,266,960 | 2014 | 37,246,092 | 2013 | 36,240,417 | 2012 | 35,240,468 | 2011 | 34,276,184 | 2010 | 33,368,688 | 2009 | 32,484,797 | 2008 | 31,590,697 | 2007 | 30,796,197 | 2006 | 30,055,999 | 2005 | 29,226,211 | 2004 | 28,364,269 | 2003 | 27,513,248 | 2002 | 26,646,684 | 2001 | 25,803,641 | 2000 | 25,019,147 | 1999 | 24,244,644 | 1998 | 23,465,957 | 1997 | 22,753,511 | 1996 | 22,134,363 | 1995 | 21,517,511 | 1994 | 20,762,997 | 1993 | 20,001,597 | 1992 | 19,324,061 | 1991 | 18,699,022 | 1990 | 18,170,750 | 1989 | 17,655,759 | 1988 | 17,117,787 | 1987 | 16,621,168 | 1986 | 16,168,324 | 1985 | 15,725,698 | 1984 | 15,272,119 | 1983 | 14,831,392 | 1982 | 14,401,697 | 1981 | 14,015,904 | 1980 | 13,671,253 | 1979 | 13,272,615 | 1978 | 12,837,220 | 1977 | 12,413,839 | 1976 | 12,014,493 | 1975 | 11,630,332 | 1974 | 11,239,486 | 1973 | 10,871,381 | 1972 | 10,583,970 | 1971 | 10,354,833 | 1970 | 10,150,439 | 1969 | 9,973,608 | 1968 | 9,794,858 | 1967 | 9,578,595 | 1966 | 9,348,504 | 1965 | 9,121,054 | 1964 | 8,904,076 | 1963 | 8,708,141 | 1962 | 8,533,561 | 1961 | 8,365,585 | 1960 | 8,197,947 |
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