Year | Value | 2022 | 41,209,312 | 2021 | 40,039,267 | 2020 | 38,879,436 | 2019 | 37,718,143 | 2018 | 36,602,405 | 2017 | 35,500,566 | 2016 | 34,372,670 | 2015 | 33,294,241 | 2014 | 32,304,571 | 2013 | 31,377,882 | 2012 | 30,522,736 | 2011 | 29,696,903 | 2010 | 28,896,183 | 2009 | 28,107,018 | 2008 | 27,282,690 | 2007 | 26,495,710 | 2006 | 25,735,339 | 2005 | 24,952,136 | 2004 | 24,199,466 | 2003 | 23,459,840 | 2002 | 22,695,770 | 2001 | 21,958,287 | 2000 | 21,277,442 | 1999 | 20,606,026 | 1998 | 19,944,533 | 1997 | 19,337,925 | 1996 | 18,792,277 | 1995 | 18,242,717 | 1994 | 17,634,246 | 1993 | 17,023,142 | 1992 | 16,437,720 | 1991 | 15,892,005 | 1990 | 15,416,619 | 1989 | 14,957,839 | 1988 | 14,486,404 | 1987 | 14,042,356 | 1986 | 13,647,287 | 1985 | 13,288,353 | 1984 | 12,939,503 | 1983 | 12,587,719 | 1982 | 12,232,546 | 1981 | 11,914,493 | 1980 | 11,646,494 | 1979 | 11,355,360 | 1978 | 11,017,226 | 1977 | 10,696,957 | 1976 | 10,403,188 | 1975 | 10,113,310 | 1974 | 9,814,077 | 1973 | 9,510,680 | 1972 | 9,258,908 | 1971 | 9,046,210 | 1970 | 8,834,902 | 1969 | 8,642,297 | 1968 | 8,460,258 | 1967 | 8,250,493 | 1966 | 8,023,514 | 1965 | 7,802,429 | 1964 | 7,593,943 | 1963 | 7,406,807 | 1962 | 7,240,577 | 1961 | 7,087,777 | 1960 | 6,945,476 |
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