Year | Value | 2022 | 11,503,470 | 2021 | 11,493,454 | 2020 | 11,508,972 | 2019 | 11,551,684 | 2018 | 11,644,167 | 2017 | 11,754,086 | 2016 | 11,923,714 | 2015 | 12,107,691 | 2014 | 12,284,688 | 2013 | 12,452,881 | 2012 | 12,604,065 | 2011 | 12,741,646 | 2010 | 12,923,922 | 2009 | 13,045,896 | 2008 | 13,126,382 | 2007 | 13,112,034 | 2006 | 13,029,148 | 2005 | 12,905,106 | 2004 | 12,708,572 | 2003 | 12,454,027 | 2002 | 12,210,133 | 2001 | 11,979,125 | 2000 | 11,751,451 | 1999 | 11,540,306 | 1998 | 11,352,350 | 1997 | 11,197,458 | 1996 | 11,062,146 | 1995 | 10,960,249 | 1994 | 10,899,138 | 1993 | 10,871,851 | 1992 | 10,833,299 | 1991 | 10,723,427 | 1990 | 10,420,928 | 1989 | 10,050,903 | 1988 | 9,748,581 | 1987 | 9,438,002 | 1986 | 9,209,092 | 1985 | 9,279,519 | 1984 | 9,492,845 | 1983 | 9,613,283 | 1982 | 9,725,535 | 1981 | 9,815,771 | 1980 | 9,794,505 | 1979 | 9,699,719 | 1978 | 9,583,727 | 1977 | 9,491,172 | 1976 | 9,434,182 | 1975 | 9,416,255 | 1974 | 9,423,727 | 1973 | 9,467,755 | 1972 | 9,530,375 | 1971 | 9,567,772 | 1970 | 9,588,523 | 1969 | 9,605,054 | 1968 | 9,629,500 | 1967 | 9,682,483 | 1966 | 9,762,628 | 1965 | 9,832,137 | 1964 | 9,650,729 | 1963 | 9,085,329 | 1962 | 8,352,716 | 1961 | 7,624,465 | 1960 | 7,042,020 |
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