Year | Value | 2022 | 55,261,883 | 2021 | 53,644,705 | 2020 | 52,123,076 | 2019 | 50,670,277 | 2018 | 49,334,114 | 2017 | 48,087,322 | 2016 | 46,898,288 | 2015 | 45,698,153 | 2014 | 44,541,918 | 2013 | 43,500,419 | 2012 | 42,510,306 | 2011 | 41,565,898 | 2010 | 40,618,848 | 2009 | 39,644,291 | 2008 | 38,649,198 | 2007 | 37,637,341 | 2006 | 36,614,764 | 2005 | 35,608,867 | 2004 | 34,595,156 | 2003 | 33,537,310 | 2002 | 32,446,898 | 2001 | 31,343,311 | 2000 | 30,245,674 | 1999 | 29,187,785 | 1998 | 28,206,209 | 1997 | 27,337,849 | 1996 | 26,598,969 | 1995 | 25,910,434 | 1994 | 25,204,609 | 1993 | 24,541,652 | 1992 | 23,930,151 | 1991 | 23,297,452 | 1990 | 22,623,192 | 1989 | 21,916,978 | 1988 | 21,194,940 | 1987 | 20,487,380 | 1986 | 19,799,961 | 1985 | 19,180,083 | 1984 | 18,634,450 | 1983 | 18,123,904 | 1982 | 17,608,943 | 1981 | 17,085,055 | 1980 | 16,546,324 | 1979 | 16,008,452 | 1978 | 15,508,478 | 1977 | 15,032,322 | 1976 | 14,580,761 | 1975 | 14,140,811 | 1974 | 13,694,801 | 1973 | 13,263,748 | 1972 | 12,914,514 | 1971 | 12,633,278 | 1970 | 12,373,802 | 1969 | 12,136,954 | 1968 | 11,895,653 | 1967 | 11,605,644 | 1966 | 11,283,300 | 1965 | 10,960,286 | 1964 | 10,650,991 | 1963 | 10,372,039 | 1962 | 10,123,865 | 1961 | 9,897,614 | 1960 | 9,684,205 |
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