Year | Value | 2022 | 25,929,193 | 2021 | 25,807,790 | 2020 | 25,655,817 | 2019 | 25,482,072 | 2018 | 25,302,678 | 2017 | 25,113,482 | 2016 | 24,892,537 | 2015 | 24,636,150 | 2014 | 24,351,278 | 2013 | 24,037,212 | 2012 | 23,688,965 | 2011 | 23,321,620 | 2010 | 22,948,770 | 2009 | 22,590,685 | 2008 | 22,239,101 | 2007 | 21,909,370 | 2006 | 21,591,676 | 2005 | 21,280,963 | 2004 | 20,970,370 | 2003 | 20,656,157 | 2002 | 20,353,712 | 2001 | 20,078,323 | 2000 | 19,832,294 | 1999 | 19,614,038 | 1998 | 19,397,331 | 1997 | 19,143,240 | 1996 | 18,835,709 | 1995 | 18,471,686 | 1994 | 18,052,837 | 1993 | 17,592,520 | 1992 | 17,111,368 | 1991 | 16,625,070 | 1990 | 16,142,987 | 1989 | 15,676,086 | 1988 | 15,218,594 | 1987 | 14,759,851 | 1986 | 14,307,096 | 1985 | 13,861,323 | 1984 | 13,417,261 | 1983 | 12,959,365 | 1982 | 12,488,675 | 1981 | 12,020,126 | 1980 | 11,555,594 | 1979 | 11,108,329 | 1978 | 10,704,048 | 1977 | 10,348,397 | 1976 | 10,035,578 | 1975 | 9,755,494 | 1974 | 9,491,555 | 1973 | 9,235,699 | 1972 | 8,985,361 | 1971 | 8,745,994 | 1970 | 8,538,893 | 1969 | 8,368,123 | 1968 | 8,222,493 | 1967 | 8,098,010 | 1966 | 7,983,240 | 1965 | 7,869,242 | 1964 | 7,753,993 | 1963 | 7,634,052 | 1962 | 7,501,923 | 1961 | 7,353,683 | 1960 | 7,192,684 |
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