Year | Value | 2022 | 41,128,771 | 2021 | 40,099,462 | 2020 | 38,972,230 | 2019 | 37,769,499 | 2018 | 36,686,784 | 2017 | 35,643,418 | 2016 | 34,636,207 | 2015 | 33,753,499 | 2014 | 32,716,210 | 2013 | 31,541,209 | 2012 | 30,466,479 | 2011 | 29,249,157 | 2010 | 28,189,672 | 2009 | 27,385,307 | 2008 | 26,427,199 | 2007 | 25,903,301 | 2006 | 25,442,944 | 2005 | 24,411,191 | 2004 | 23,553,551 | 2003 | 22,645,130 | 2002 | 21,000,256 | 2001 | 19,688,632 | 2000 | 19,542,982 | 1999 | 19,262,847 | 1998 | 18,493,132 | 1997 | 17,788,819 | 1996 | 17,106,595 | 1995 | 16,418,912 | 1994 | 15,455,555 | 1993 | 14,003,760 | 1992 | 12,057,433 | 1991 | 10,745,167 | 1990 | 10,694,796 | 1989 | 10,673,168 | 1988 | 10,383,460 | 1987 | 10,322,758 | 1986 | 10,448,442 | 1985 | 10,512,221 | 1984 | 10,243,686 | 1983 | 9,951,449 | 1982 | 10,088,289 | 1981 | 11,155,195 | 1980 | 12,486,631 | 1979 | 12,986,369 | 1978 | 12,938,862 | 1977 | 12,687,301 | 1976 | 12,425,267 | 1975 | 12,157,386 | 1974 | 11,869,879 | 1973 | 11,575,305 | 1972 | 11,286,753 | 1971 | 11,015,857 | 1970 | 10,752,971 | 1969 | 10,494,489 | 1968 | 10,247,780 | 1967 | 10,010,030 | 1966 | 9,783,147 | 1965 | 9,565,147 | 1964 | 9,355,514 | 1963 | 9,157,465 | 1962 | 8,969,047 | 1961 | 8,790,140 | 1960 | 8,622,466 |
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