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a key characteristic
chevron_right
1960 - 1976
1977 - 2001
2002 - 2003
2004 - 2005
2006 - 2008
English (2012)
a key trait
chevron_right
1960 - 1971
1972 - 2002
2003 - 2004
2005 - 2006
2007 - 2008
English (2012)
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