Year | Value | 2022 | 12,777,458 | 2021 | 12,708,780 | 2020 | 12,370,702 | 2019 | 11,883,667 | 2018 | 11,451,942 | 2017 | 10,998,235 | 2016 | 10,635,006 | 2015 | 10,610,076 | 2014 | 10,753,577 | 2013 | 10,805,299 | 2012 | 10,881,865 | 2011 | 10,965,494 | 2010 | 10,978,629 | 2009 | 10,869,707 | 2008 | 10,743,707 | 2007 | 10,636,310 | 2006 | 10,561,039 | 2005 | 10,520,119 | 2004 | 10,494,989 | 2003 | 10,491,414 | 2002 | 10,489,240 | 2001 | 10,458,443 | 2000 | 10,415,482 | 1999 | 10,371,648 | 1998 | 10,347,892 | 1997 | 10,351,636 | 1996 | 10,364,247 | 1995 | 10,332,816 | 1994 | 10,077,381 | 1993 | 9,455,596 | 1992 | 8,632,593 | 1991 | 7,821,717 | 1990 | 7,167,262 | 1989 | 7,022,469 | 1988 | 7,470,713 | 1987 | 8,167,432 | 1986 | 8,823,321 | 1985 | 9,293,436 | 1984 | 9,481,181 | 1983 | 9,467,527 | 1982 | 9,384,232 | 1981 | 9,280,244 | 1980 | 9,162,466 | 1979 | 8,993,538 | 1978 | 8,812,041 | 1977 | 8,648,048 | 1976 | 8,501,266 | 1975 | 8,379,242 | 1974 | 8,233,374 | 1973 | 8,044,595 | 1972 | 7,840,056 | 1971 | 7,633,998 | 1970 | 7,421,133 | 1969 | 7,223,851 | 1968 | 7,066,168 | 1967 | 6,889,554 | 1966 | 6,687,425 | 1965 | 6,489,665 | 1964 | 6,320,123 | 1963 | 6,178,712 | 1962 | 6,064,959 | 1961 | 5,953,170 | 1960 | 5,838,942 |
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