Year | Value | 2022 | 41,279,336 | 2021 | 40,507,597 | 2020 | 39,831,002 | 2019 | 39,050,431 | 2018 | 38,296,967 | 2017 | 37,569,868 | 2016 | 36,820,461 | 2015 | 36,038,921 | 2014 | 35,264,801 | 2013 | 34,498,243 | 2012 | 33,789,818 | 2011 | 33,039,669 | 2010 | 32,254,845 | 2009 | 31,344,994 | 2008 | 30,459,722 | 2007 | 29,595,529 | 2006 | 28,654,328 | 2005 | 27,723,742 | 2004 | 26,841,901 | 2003 | 25,920,745 | 2002 | 25,025,353 | 2001 | 24,146,912 | 2000 | 23,244,887 | 1999 | 22,613,046 | 1998 | 22,393,320 | 1997 | 22,334,582 | 1996 | 22,226,230 | 1995 | 21,983,280 | 1994 | 21,507,084 | 1993 | 20,885,156 | 1992 | 20,194,676 | 1991 | 19,474,928 | 1990 | 18,781,883 | 1989 | 18,101,578 | 1988 | 17,432,349 | 1987 | 16,774,890 | 1986 | 16,176,077 | 1985 | 15,629,846 | 1984 | 15,088,926 | 1983 | 14,587,284 | 1982 | 14,046,813 | 1981 | 13,494,435 | 1980 | 12,999,630 | 1979 | 12,516,552 | 1978 | 12,037,719 | 1977 | 11,563,005 | 1976 | 11,125,323 | 1975 | 10,710,958 | 1974 | 10,311,866 | 1973 | 9,961,596 | 1972 | 9,637,679 | 1971 | 9,310,277 | 1970 | 8,983,149 | 1969 | 8,667,418 | 1968 | 8,355,557 | 1967 | 8,055,411 | 1966 | 7,763,785 | 1965 | 7,488,576 | 1964 | 7,203,158 | 1963 | 6,944,023 | 1962 | 6,725,024 | 1961 | 6,492,279 | 1960 | 6,259,136 |
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