Year | Value | 2022 | 57,072,344 | 2021 | 55,345,717 | 2020 | 53,635,359 | 2019 | 51,959,809 | 2018 | 50,328,752 | 2017 | 48,721,822 | 2016 | 47,170,092 | 2015 | 45,706,803 | 2014 | 44,314,830 | 2013 | 42,986,608 | 2012 | 41,720,447 | 2011 | 40,481,304 | 2010 | 39,287,927 | 2009 | 38,203,151 | 2008 | 37,157,339 | 2007 | 36,161,615 | 2006 | 35,269,293 | 2005 | 34,380,491 | 2004 | 33,492,550 | 2003 | 32,637,516 | 2002 | 31,770,574 | 2001 | 30,917,198 | 2000 | 30,112,612 | 1999 | 29,296,304 | 1998 | 28,465,570 | 1997 | 27,655,935 | 1996 | 26,910,041 | 1995 | 26,165,526 | 1994 | 25,265,111 | 1993 | 24,307,328 | 1992 | 23,448,161 | 1991 | 22,714,638 | 1990 | 22,082,649 | 1989 | 21,440,479 | 1988 | 20,777,959 | 1987 | 20,132,423 | 1986 | 19,502,051 | 1985 | 18,898,666 | 1984 | 18,313,767 | 1983 | 17,754,199 | 1982 | 17,228,746 | 1981 | 16,759,854 | 1980 | 16,302,184 | 1979 | 15,783,874 | 1978 | 15,232,562 | 1977 | 14,698,733 | 1976 | 14,221,477 | 1975 | 13,793,816 | 1974 | 13,394,179 | 1973 | 13,019,602 | 1972 | 12,670,439 | 1971 | 12,321,453 | 1970 | 11,962,989 | 1969 | 11,591,221 | 1968 | 11,229,703 | 1967 | 10,931,073 | 1966 | 10,690,013 | 1965 | 10,478,259 | 1964 | 10,298,909 | 1963 | 10,124,835 | 1962 | 9,905,575 | 1961 | 9,654,462 | 1960 | 9,403,698 |
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