Year | Value | 2022 | 36,537,580 | 2021 | 35,377,465 | 2020 | 34,610,436 | 2019 | 33,952,203 | 2018 | 33,425,024 | 2017 | 33,054,852 | 2016 | 32,546,255 | 2015 | 31,860,325 | 2014 | 31,135,711 | 2013 | 30,340,581 | 2012 | 29,422,659 | 2011 | 28,481,161 | 2010 | 27,673,595 | 2009 | 26,986,915 | 2008 | 26,323,741 | 2007 | 25,672,586 | 2006 | 25,001,766 | 2005 | 24,227,978 | 2004 | 23,399,804 | 2003 | 22,500,191 | 2002 | 21,500,276 | 2001 | 20,551,869 | 2000 | 19,638,288 | 1999 | 18,694,446 | 1998 | 17,806,319 | 1997 | 17,032,664 | 1996 | 16,333,874 | 1995 | 15,729,100 | 1994 | 15,275,159 | 1993 | 14,940,121 | 1992 | 14,653,855 | 1991 | 14,380,432 | 1990 | 14,092,094 | 1989 | 13,725,217 | 1988 | 13,299,253 | 1987 | 12,894,672 | 1986 | 12,524,360 | 1985 | 12,157,162 | 1984 | 11,776,690 | 1983 | 11,408,732 | 1982 | 11,050,969 | 1981 | 10,681,834 | 1980 | 10,308,306 | 1979 | 9,918,306 | 1978 | 9,500,933 | 1977 | 9,093,284 | 1976 | 8,711,229 | 1975 | 8,352,614 | 1974 | 8,025,030 | 1973 | 7,708,092 | 1972 | 7,393,319 | 1971 | 7,099,470 | 1970 | 6,839,867 | 1969 | 6,623,716 | 1968 | 6,463,198 | 1967 | 6,344,527 | 1966 | 6,243,694 | 1965 | 6,137,680 | 1964 | 6,002,280 | 1963 | 5,807,052 | 1962 | 5,586,628 | 1961 | 5,420,890 | 1960 | 5,356,782 |
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