| Year | Value | | 2022 | 7,112,896 | | 2021 | 6,936,380 | | 2020 | 6,750,304 | | 2019 | 6,546,025 | | 2018 | 6,326,542 | | 2017 | 6,100,519 | | 2016 | 5,868,705 | | 2015 | 5,631,907 | | 2014 | 5,395,695 | | 2013 | 5,162,637 | | 2012 | 4,931,835 | | 2011 | 4,704,269 | | 2010 | 4,481,716 | | 2009 | 4,276,708 | | 2008 | 4,106,048 | | 2007 | 3,975,797 | | 2006 | 3,890,100 | | 2005 | 3,844,007 | | 2004 | 3,818,623 | | 2003 | 3,796,258 | | 2002 | 3,770,816 | | 2001 | 3,738,555 | | 2000 | 3,702,674 | | 1999 | 3,667,747 | | 1998 | 3,628,524 | | 1997 | 3,582,841 | | 1996 | 3,529,010 | | 1995 | 3,465,710 | | 1994 | 3,392,520 | | 1993 | 3,310,549 | | 1992 | 3,222,152 | | 1991 | 3,130,467 | | 1990 | 3,036,883 | | 1989 | 2,942,443 | | 1988 | 2,847,427 | | 1987 | 2,750,600 | | 1986 | 2,650,150 | | 1985 | 2,545,206 | | 1984 | 2,436,622 | | 1983 | 2,326,533 | | 1982 | 2,218,810 | | 1981 | 2,117,914 | | 1980 | 2,027,390 | | 1979 | 1,949,825 | | 1978 | 1,885,635 | | 1977 | 1,833,264 | | 1976 | 1,791,086 | | 1975 | 1,757,483 | | 1974 | 1,730,425 | | 1973 | 1,707,580 | | 1972 | 1,686,492 | | 1971 | 1,664,644 | | 1970 | 1,639,576 | | 1969 | 1,609,651 | | 1968 | 1,574,842 | | 1967 | 1,536,281 | | 1966 | 1,495,638 | | 1965 | 1,455,508 | | 1964 | 1,411,753 | | 1963 | 1,362,873 | | 1962 | 1,312,900 | | 1961 | 1,261,815 | | 1960 | 1,210,011 |
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