Era
Civil War, 2011-
36
2009-2017
35
1991-
31
2009-
24
2003-
23
Since 1991
19
1980-
17
1993-
17
2011
17
1986-
14
1989-
14
Since 1986
14
1965-
13
1979-
13
1981-
13
1988-
13
1997-
12
2001-2009
12
21st century
11
Since 2003
11
1981-2011
10
1990-
10
1993-2001
10
1945-
9
Since 1979
9
1952-
8
Since 1980
8
Since 1993
8
1969-
7
1981-1989
7
2000-
7
Civil War, 1983-2005
7
Since 1989
7
1939-1945
6
1960-2012
6
1981 - 1989
6
Since 1981
6
Since 1997
6
1945-1989
5
1946-
5
1977-1981
5
1989-1993
5
1990-1991
5
1991
5
2001
5
2001-
5
2002-
5
20th century
5
Since 1988
5
Since 1990
5
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