Era
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1960-1997
1
1961-
1
1962-
1
1970-1988
1
1971-1980
1
1976-2002
1
1978-
1
1980-2020
1
1981-
1
1981-1989
1
1981-1993
1
1982-1994
1
1983-
1
1985-
1
1989-1993
1
1990-
1
1991-2014
1
1993-
1
1993-2001
1
1993-2007
1
19th century
1
2002-
1
2003-
1
2010
1
Civil War, 1991-2002
1
Revolution of Dignity, 2013-2014
1
Since 2000
1