| Year | Value | | 2022 | 10,412,190 | | 2021 | 10,320,330 | | 2020 | 10,244,835 | | 2019 | 10,187,894 | | 2018 | 10,164,142 | | 2017 | 10,154,739 | | 2016 | 10,134,506 | | 2015 | 10,134,692 | | 2014 | 10,186,546 | | 2013 | 10,257,632 | | 2012 | 10,336,355 | | 2011 | 10,415,433 | | 2010 | 10,465,149 | | 2009 | 10,455,953 | | 2008 | 10,396,029 | | 2007 | 10,304,642 | | 2006 | 10,196,142 | | 2005 | 10,084,716 | | 2004 | 9,965,892 | | 2003 | 9,845,847 | | 2002 | 9,728,317 | | 2001 | 9,606,648 | | 2000 | 9,479,293 | | 1999 | 9,350,853 | | 1998 | 9,212,725 | | 1997 | 9,065,921 | | 1996 | 8,919,027 | | 1995 | 8,758,997 | | 1994 | 8,581,114 | | 1993 | 8,390,837 | | 1992 | 8,188,047 | | 1991 | 7,971,568 | | 1990 | 7,746,367 | | 1989 | 7,512,926 | | 1988 | 7,269,244 | | 1987 | 7,016,589 | | 1986 | 6,755,381 | | 1985 | 6,487,929 | | 1984 | 6,221,096 | | 1983 | 5,957,633 | | 1982 | 5,695,690 | | 1981 | 5,436,748 | | 1980 | 5,183,702 | | 1979 | 4,951,748 | | 1978 | 4,760,036 | | 1977 | 4,615,409 | | 1976 | 4,523,745 | | 1975 | 4,477,560 | | 1974 | 4,452,204 | | 1973 | 4,431,534 | | 1972 | 4,410,018 | | 1971 | 4,380,443 | | 1970 | 4,346,813 | | 1969 | 4,315,064 | | 1968 | 4,280,430 | | 1967 | 4,245,923 | | 1966 | 4,210,159 | | 1965 | 4,164,892 | | 1964 | 4,098,543 | | 1963 | 4,014,246 | | 1962 | 3,923,448 | | 1961 | 3,827,596 | | 1960 | 3,729,188 |
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