Year | Value | 2022 | 41,054,362 | 2021 | 39,908,624 | 2020 | 38,598,367 | 2019 | 37,136,677 | 2018 | 35,468,736 | 2017 | 33,691,532 | 2016 | 32,001,009 | 2015 | 30,356,824 | 2014 | 28,769,977 | 2013 | 27,493,377 | 2012 | 26,528,849 | 2011 | 25,744,852 | 2010 | 25,166,670 | 2009 | 24,763,407 | 2008 | 24,504,579 | 2007 | 24,322,759 | 2006 | 24,059,168 | 2005 | 23,666,329 | 2004 | 23,157,772 | 2003 | 22,531,071 | 2002 | 21,860,879 | 2001 | 21,247,594 | 2000 | 20,746,383 | 1999 | 20,327,961 | 1998 | 19,949,015 | 1997 | 19,546,137 | 1996 | 19,107,183 | 1995 | 18,657,382 | 1994 | 18,200,817 | 1993 | 17,732,281 | 1992 | 17,243,895 | 1991 | 16,737,294 | 1990 | 16,200,092 | 1989 | 15,663,924 | 1988 | 15,150,166 | 1987 | 14,644,312 | 1986 | 14,168,070 | 1985 | 13,782,345 | 1984 | 13,501,975 | 1983 | 13,280,670 | 1982 | 13,130,342 | 1981 | 13,022,734 | 1980 | 12,862,398 | 1979 | 12,614,007 | 1978 | 12,329,730 | 1977 | 12,033,732 | 1976 | 11,703,693 | 1975 | 11,380,397 | 1974 | 11,061,144 | 1973 | 10,734,693 | 1972 | 10,407,647 | 1971 | 10,110,845 | 1970 | 9,878,686 | 1969 | 9,667,546 | 1968 | 9,464,074 | 1967 | 9,287,368 | 1966 | 9,115,971 | 1965 | 8,863,271 | 1964 | 8,547,452 | 1963 | 8,199,350 | 1962 | 7,812,805 | 1961 | 7,466,407 | 1960 | 7,208,139 |
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