Year | Value | 2022 | 59,698,054 | 2021 | 58,287,404 | 2020 | 56,952,478 | 2019 | 55,754,601 | 2018 | 54,721,621 | 2017 | 53,724,145 | 2016 | 52,671,395 | 2015 | 51,578,583 | 2014 | 50,458,387 | 2013 | 49,329,439 | 2012 | 48,230,895 | 2011 | 47,127,313 | 2010 | 46,057,564 | 2009 | 45,072,335 | 2008 | 44,136,122 | 2007 | 43,239,379 | 2006 | 42,388,644 | 2005 | 41,544,182 | 2004 | 40,658,826 | 2003 | 39,733,390 | 2002 | 38,791,885 | 2001 | 37,830,268 | 2000 | 36,866,504 | 1999 | 35,910,274 | 1998 | 34,919,628 | 1997 | 33,868,192 | 1996 | 32,773,600 | 1995 | 31,647,588 | 1994 | 30,505,908 | 1993 | 29,237,385 | 1992 | 27,913,414 | 1991 | 26,701,767 | 1990 | 25,574,278 | 1989 | 24,520,865 | 1988 | 23,684,870 | 1987 | 23,043,754 | 1986 | 22,447,388 | 1985 | 21,920,167 | 1984 | 21,468,953 | 1983 | 21,105,151 | 1982 | 20,804,260 | 1981 | 20,523,308 | 1980 | 20,215,539 | 1979 | 19,873,077 | 1978 | 19,499,807 | 1977 | 19,092,345 | 1976 | 18,692,806 | 1975 | 18,315,889 | 1974 | 17,936,905 | 1973 | 17,543,433 | 1972 | 17,147,190 | 1971 | 16,772,273 | 1970 | 16,415,575 | 1969 | 16,065,857 | 1968 | 15,732,713 | 1967 | 15,420,953 | 1966 | 15,129,781 | 1965 | 14,853,082 | 1964 | 14,587,681 | 1963 | 14,335,470 | 1962 | 14,091,911 | 1961 | 13,849,148 | 1960 | 13,603,321 |
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