Year | Value | 2022 | 40,526,368 | 2021 | 39,557,098 | 2020 | 38,572,356 | 2019 | 37,564,613 | 2018 | 36,547,715 | 2017 | 35,515,600 | 2016 | 34,475,189 | 2015 | 33,417,578 | 2014 | 32,347,954 | 2013 | 31,275,581 | 2012 | 30,189,369 | 2011 | 29,101,522 | 2010 | 28,023,543 | 2009 | 26,998,869 | 2008 | 26,059,130 | 2007 | 25,223,587 | 2006 | 24,501,685 | 2005 | 23,872,279 | 2004 | 23,306,284 | 2003 | 22,778,257 | 2002 | 22,257,705 | 2001 | 21,721,888 | 2000 | 21,169,414 | 1999 | 20,601,274 | 1998 | 20,021,805 | 1997 | 19,460,355 | 1996 | 18,933,500 | 1995 | 18,394,525 | 1994 | 17,808,469 | 1993 | 17,236,615 | 1992 | 16,712,363 | 1991 | 16,210,563 | 1990 | 15,733,051 | 1989 | 15,279,987 | 1988 | 14,866,860 | 1987 | 14,478,875 | 1986 | 14,079,325 | 1985 | 13,646,794 | 1984 | 13,178,290 | 1983 | 12,727,956 | 1982 | 12,324,777 | 1981 | 11,960,615 | 1980 | 11,636,212 | 1979 | 11,365,545 | 1978 | 11,111,635 | 1977 | 10,844,366 | 1976 | 10,576,222 | 1975 | 10,302,322 | 1974 | 10,034,803 | 1973 | 9,794,189 | 1972 | 9,586,284 | 1971 | 9,392,854 | 1970 | 9,196,254 | 1969 | 9,000,847 | 1968 | 8,809,117 | 1967 | 8,616,792 | 1966 | 8,429,779 | 1965 | 8,251,445 | 1964 | 8,076,918 | 1963 | 7,904,028 | 1962 | 7,733,610 | 1961 | 7,564,997 | 1960 | 7,395,494 |
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