Era
1981-
100
1981-2011
40
Since 1981
11
1970-1981
10
Protests, 2011-2013
7
1952-1970
6
1951-2019
5
Protests, 2011-
5
1990-
4
2011-
4
20th century
4
1928-2020
3
1951-
3
1979-
3
21st century
3
Since 1952
3
1970-2011
2
1981-2013
2
2005
2
2012
2
Coup d'état, 2013
2
1900-2011
1
1922-
1
1926-2016
1
1928-
1
1939-1975
1
1952-
1
1952-2011
1
1957-2011
1
1959-1990
1
1962-1990
1
1970-2013
1
1973-1988
1
1982-
1
1987-2011
1
1999-
1
2000-
1
Since 1900
1
Since 1970
1
Since 1979
1