Year | Value | 2022 | 10,852,845 | 2021 | 10,904,617 | 2020 | 11,034,973 | 2019 | 11,158,274 | 2018 | 11,270,347 | 2017 | 11,353,374 | 2016 | 11,414,649 | 2015 | 11,453,154 | 2014 | 11,524,817 | 2013 | 11,625,015 | 2012 | 11,746,740 | 2011 | 11,938,069 | 2010 | 12,198,595 | 2009 | 12,412,079 | 2008 | 12,616,038 | 2007 | 12,769,503 | 2006 | 12,888,331 | 2005 | 13,009,863 | 2004 | 13,114,879 | 2003 | 13,173,214 | 2002 | 13,152,305 | 2001 | 13,063,083 | 2000 | 12,929,370 | 1999 | 12,733,620 | 1998 | 12,497,882 | 1997 | 12,282,774 | 1996 | 12,073,845 | 1995 | 11,852,939 | 1994 | 11,639,868 | 1993 | 11,442,934 | 1992 | 11,266,641 | 1991 | 11,110,405 | 1990 | 10,998,507 | 1989 | 10,955,859 | 1988 | 10,954,735 | 1987 | 10,957,242 | 1986 | 10,897,309 | 1985 | 10,634,892 | 1984 | 10,278,541 | 1983 | 9,993,204 | 1982 | 9,696,176 | 1981 | 9,485,091 | 1980 | 9,559,249 | 1979 | 9,752,040 | 1978 | 9,852,710 | 1977 | 9,947,173 | 1976 | 10,024,012 | 1975 | 9,984,136 | 1974 | 9,877,720 | 1973 | 9,755,383 | 1972 | 9,645,809 | 1971 | 9,571,919 | 1970 | 9,556,973 | 1969 | 9,561,123 | 1968 | 9,578,286 | 1967 | 9,597,490 | 1966 | 9,534,439 | 1965 | 9,378,771 | 1964 | 9,180,293 | 1963 | 8,982,143 | 1962 | 8,812,474 | 1961 | 8,715,814 | 1960 | 8,666,022 |
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