Year | Value | 2022 | 40,530,283 | 2021 | 39,560,357 | 2020 | 38,575,608 | 2019 | 37,567,886 | 2018 | 36,550,999 | 2017 | 35,518,846 | 2016 | 34,478,426 | 2015 | 33,420,896 | 2014 | 32,351,325 | 2013 | 31,279,037 | 2012 | 30,192,929 | 2011 | 29,105,156 | 2010 | 28,027,331 | 2009 | 27,002,605 | 2008 | 26,062,862 | 2007 | 25,227,235 | 2006 | 24,505,317 | 2005 | 23,875,775 | 2004 | 23,309,687 | 2003 | 22,781,631 | 2002 | 22,261,093 | 2001 | 21,725,186 | 2000 | 21,172,759 | 1999 | 20,604,639 | 1998 | 20,025,155 | 1997 | 19,463,675 | 1996 | 18,936,782 | 1995 | 18,397,738 | 1994 | 17,811,593 | 1993 | 17,239,596 | 1992 | 16,715,203 | 1991 | 16,213,294 | 1990 | 15,735,633 | 1989 | 15,282,426 | 1988 | 14,869,148 | 1987 | 14,481,010 | 1986 | 14,081,237 | 1985 | 13,648,586 | 1984 | 13,179,979 | 1983 | 12,729,561 | 1982 | 12,326,326 | 1981 | 11,962,118 | 1980 | 11,637,676 | 1979 | 11,366,989 | 1978 | 11,113,075 | 1977 | 10,845,808 | 1976 | 10,577,641 | 1975 | 10,303,725 | 1974 | 10,036,197 | 1973 | 9,795,588 | 1972 | 9,587,692 | 1971 | 9,394,265 | 1970 | 9,197,695 | 1969 | 9,002,316 | 1968 | 8,810,602 | 1967 | 8,618,286 | 1966 | 8,431,270 | 1965 | 8,252,922 | 1964 | 8,078,375 | 1963 | 7,905,461 | 1962 | 7,735,012 | 1961 | 7,566,365 | 1960 | 7,396,826 |
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