Year | Value | 2022 | 10,066,305 | 2021 | 10,221,684 | 2020 | 10,376,129 | 2019 | 10,513,072 | 2018 | 10,631,834 | 2017 | 10,748,180 | 2016 | 10,856,103 | 2015 | 10,958,283 | 2014 | 11,067,921 | 2013 | 11,182,024 | 2012 | 11,297,719 | 2011 | 11,416,765 | 2010 | 11,767,072 | 2009 | 12,818,785 | 2008 | 13,955,025 | 2007 | 15,173,239 | 2006 | 16,470,152 | 2005 | 17,916,330 | 2004 | 19,624,090 | 2003 | 21,461,733 | 2002 | 23,389,981 | 2001 | 25,442,515 | 2000 | 27,082,249 | 1999 | 27,196,540 | 1998 | 27,304,928 | 1997 | 27,389,665 | 1996 | 27,484,192 | 1995 | 27,583,764 | 1994 | 27,688,122 | 1993 | 27,779,446 | 1992 | 27,858,757 | 1991 | 27,925,370 | 1990 | 27,981,350 | 1989 | 28,043,733 | 1988 | 28,085,071 | 1987 | 28,122,256 | 1986 | 28,141,305 | 1985 | 28,140,521 | 1984 | 28,095,820 | 1983 | 28,045,496 | 1982 | 27,981,422 | 1981 | 27,917,425 | 1980 | 27,829,268 | 1979 | 27,676,850 | 1978 | 27,510,172 | 1977 | 27,327,003 | 1976 | 27,129,154 | 1975 | 27,094,387 | 1974 | 27,568,041 | 1973 | 28,024,665 | 1972 | 28,456,270 | 1971 | 28,891,218 | 1970 | 29,080,026 | 1969 | 29,539,247 | 1968 | 29,984,105 | 1967 | 30,447,114 | 1966 | 30,936,409 | 1965 | 31,475,896 | 1964 | 32,005,123 | 1963 | 32,544,624 | 1962 | 33,089,846 | 1961 | 33,659,463 | 1960 | 34,236,372 |
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