Year | Value | 2022 | 14,237,406 | 2021 | 14,154,513 | 2020 | 14,035,143 | 2019 | 13,879,826 | 2018 | 13,720,548 | 2017 | 13,554,943 | 2016 | 13,392,823 | 2015 | 13,246,108 | 2014 | 13,144,566 | 2013 | 13,079,422 | 2012 | 13,001,897 | 2011 | 12,864,840 | 2010 | 12,534,891 | 2009 | 12,040,756 | 2008 | 11,597,208 | 2007 | 11,137,753 | 2006 | 10,766,575 | 2005 | 10,744,442 | 2004 | 10,889,655 | 2003 | 10,934,317 | 2002 | 10,990,411 | 2001 | 11,042,956 | 2000 | 10,994,450 | 1999 | 10,881,873 | 1998 | 10,759,152 | 1997 | 10,662,287 | 1996 | 10,605,518 | 1995 | 10,586,015 | 1994 | 10,577,300 | 1993 | 10,588,380 | 1992 | 10,580,571 | 1991 | 10,490,741 | 1990 | 10,324,141 | 1989 | 10,124,737 | 1988 | 9,921,137 | 1987 | 9,748,308 | 1986 | 9,639,930 | 1985 | 9,541,747 | 1984 | 9,281,200 | 1983 | 8,713,142 | 1982 | 7,978,964 | 1981 | 7,268,886 | 1980 | 6,706,990 | 1979 | 6,608,142 | 1978 | 7,058,866 | 1977 | 7,739,604 | 1976 | 8,390,819 | 1975 | 8,888,726 | 1974 | 9,152,794 | 1973 | 9,232,525 | 1972 | 9,242,067 | 1971 | 9,232,280 | 1970 | 9,208,363 | 1969 | 9,141,275 | 1968 | 9,040,379 | 1967 | 8,936,405 | 1966 | 8,830,675 | 1965 | 8,703,758 | 1964 | 8,522,435 | 1963 | 8,288,850 | 1962 | 8,014,885 | 1961 | 7,710,353 | 1960 | 7,383,220 |
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