| Year | Value | | 2022 | 11,299,155 | | 2021 | 11,010,698 | | 2020 | 10,718,602 | | 2019 | 10,431,262 | | 2018 | 10,150,983 | | 2017 | 9,870,655 | | 2016 | 9,587,217 | | 2015 | 9,305,419 | | 2014 | 9,028,931 | | 2013 | 8,760,692 | | 2012 | 8,498,100 | | 2011 | 8,241,604 | | 2010 | 7,999,494 | | 2009 | 7,767,361 | | 2008 | 7,542,832 | | 2007 | 7,323,354 | | 2006 | 7,101,155 | | 2005 | 6,876,721 | | 2004 | 6,655,617 | | 2003 | 6,441,322 | | 2002 | 6,235,842 | | 2001 | 6,038,895 | | 2000 | 5,850,935 | | 1999 | 5,672,628 | | 1998 | 5,503,193 | | 1997 | 5,350,815 | | 1996 | 5,215,501 | | 1995 | 5,084,665 | | 1994 | 4,956,441 | | 1993 | 4,833,999 | | 1992 | 4,716,845 | | 1991 | 4,604,319 | | 1990 | 4,490,875 | | 1989 | 4,374,767 | | 1988 | 4,260,793 | | 1987 | 4,148,278 | | 1986 | 4,036,421 | | 1985 | 3,923,166 | | 1984 | 3,809,712 | | 1983 | 3,699,863 | | 1982 | 3,596,030 | | 1981 | 3,498,550 | | 1980 | 3,404,945 | | 1979 | 3,315,608 | | 1978 | 3,232,244 | | 1977 | 3,154,527 | | 1976 | 3,084,691 | | 1975 | 3,023,694 | | 1974 | 2,968,846 | | 1973 | 2,919,499 | | 1972 | 2,874,506 | | 1971 | 2,832,220 | | 1970 | 2,790,452 | | 1969 | 2,748,385 | | 1968 | 2,707,427 | | 1967 | 2,667,404 | | 1966 | 2,629,269 | | 1965 | 2,592,647 | | 1964 | 2,557,598 | | 1963 | 2,524,814 | | 1962 | 2,493,708 | | 1961 | 2,463,953 | | 1960 | 2,435,126 |
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