Year | Value | 2022 | 56,475,935 | 2021 | 55,075,484 | 2020 | 53,668,403 | 2019 | 52,128,522 | 2018 | 50,564,015 | 2017 | 48,960,070 | 2016 | 47,299,451 | 2015 | 45,626,051 | 2014 | 43,927,642 | 2013 | 42,034,800 | 2012 | 40,053,977 | 2011 | 38,211,377 | 2010 | 36,438,808 | 2009 | 34,758,393 | 2008 | 33,391,423 | 2007 | 32,350,598 | 2006 | 31,419,162 | 2005 | 30,610,026 | 2004 | 29,938,771 | 2003 | 29,375,365 | 2002 | 28,880,139 | 2001 | 28,392,599 | 2000 | 27,863,990 | 1999 | 27,293,430 | 1998 | 26,691,237 | 1997 | 26,062,272 | 1996 | 25,444,015 | 1995 | 24,877,408 | 1994 | 24,365,809 | 1993 | 23,868,668 | 1992 | 23,360,290 | 1991 | 22,830,106 | 1990 | 22,271,691 | 1989 | 21,694,772 | 1988 | 21,120,416 | 1987 | 20,539,079 | 1986 | 19,970,725 | 1985 | 19,429,271 | 1984 | 18,916,286 | 1983 | 18,430,662 | 1982 | 17,971,215 | 1981 | 17,530,438 | 1980 | 17,129,716 | 1979 | 16,754,527 | 1978 | 16,374,029 | 1977 | 16,010,593 | 1976 | 15,662,643 | 1975 | 15,328,896 | 1974 | 15,018,268 | 1973 | 14,730,194 | 1972 | 14,451,080 | 1971 | 14,182,006 | 1970 | 13,891,239 | 1969 | 13,558,848 | 1968 | 13,199,091 | 1967 | 12,824,881 | 1966 | 12,467,999 | 1965 | 12,148,929 | 1964 | 11,848,025 | 1963 | 11,566,518 | 1962 | 11,308,194 | 1961 | 11,031,444 | 1960 | 10,708,464 |
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