Year | Value | 2022 | 11,460,676 | 2021 | 11,465,204 | 2020 | 11,498,281 | 2019 | 11,558,488 | 2018 | 11,662,651 | 2017 | 11,779,454 | 2016 | 11,957,469 | 2015 | 12,148,781 | 2014 | 12,337,852 | 2013 | 12,525,720 | 2012 | 12,693,646 | 2011 | 12,847,141 | 2010 | 13,050,467 | 2009 | 13,187,491 | 2008 | 13,274,930 | 2007 | 13,260,534 | 2006 | 13,164,898 | 2005 | 13,015,973 | 2004 | 12,796,512 | 2003 | 12,529,256 | 2002 | 12,277,424 | 2001 | 12,042,503 | 2000 | 11,812,239 | 1999 | 11,591,839 | 1998 | 11,396,608 | 1997 | 11,238,614 | 1996 | 11,103,150 | 1995 | 11,010,644 | 1994 | 10,972,807 | 1993 | 10,970,940 | 1992 | 10,951,855 | 1991 | 10,856,155 | 1990 | 10,552,305 | 1989 | 10,166,448 | 1988 | 9,850,885 | 1987 | 9,533,629 | 1986 | 9,303,016 | 1985 | 9,382,006 | 1984 | 9,604,804 | 1983 | 9,726,888 | 1982 | 9,836,938 | 1981 | 9,915,607 | 1980 | 9,869,278 | 1979 | 9,758,066 | 1978 | 9,637,721 | 1977 | 9,537,891 | 1976 | 9,481,853 | 1975 | 9,468,095 | 1974 | 9,465,077 | 1973 | 9,486,262 | 1972 | 9,503,636 | 1971 | 9,436,896 | 1970 | 9,291,377 | 1969 | 9,101,614 | 1968 | 8,904,322 | 1967 | 8,743,929 | 1966 | 8,653,566 | 1965 | 8,599,685 | 1964 | 8,369,285 | 1963 | 7,843,889 | 1962 | 7,193,165 | 1961 | 6,557,036 | 1960 | 6,055,791 |
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