Year | Value | 2022 | 39,624,424 | 2021 | 38,477,072 | 2020 | 37,327,491 | 2019 | 36,252,630 | 2018 | 35,269,551 | 2017 | 34,311,870 | 2016 | 33,390,986 | 2015 | 32,529,800 | 2014 | 31,690,113 | 2013 | 30,840,098 | 2012 | 30,008,342 | 2011 | 29,177,293 | 2010 | 28,346,593 | 2009 | 27,520,823 | 2008 | 26,668,220 | 2007 | 25,877,714 | 2006 | 25,133,383 | 2005 | 24,324,023 | 2004 | 23,509,390 | 2003 | 22,729,157 | 2002 | 21,964,947 | 2001 | 21,249,616 | 2000 | 20,598,577 | 1999 | 19,964,780 | 1998 | 19,340,148 | 1997 | 18,767,708 | 1996 | 18,278,599 | 1995 | 17,799,805 | 1994 | 17,182,936 | 1993 | 16,554,282 | 1992 | 16,024,425 | 1991 | 15,540,457 | 1990 | 15,111,965 | 1989 | 14,683,322 | 1988 | 14,247,587 | 1987 | 13,836,750 | 1986 | 13,462,874 | 1985 | 13,118,292 | 1984 | 12,773,000 | 1983 | 12,443,900 | 1982 | 12,122,146 | 1981 | 11,806,426 | 1980 | 11,487,761 | 1979 | 11,092,724 | 1978 | 10,667,813 | 1977 | 10,312,041 | 1976 | 10,038,756 | 1975 | 9,807,569 | 1974 | 9,612,004 | 1973 | 9,432,658 | 1972 | 9,239,088 | 1971 | 9,037,747 | 1970 | 8,831,637 | 1969 | 8,629,710 | 1968 | 8,442,495 | 1967 | 8,270,495 | 1966 | 8,106,930 | 1965 | 7,943,229 | 1964 | 7,777,034 | 1963 | 7,610,759 | 1962 | 7,445,510 | 1961 | 7,282,879 | 1960 | 7,129,230 |
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