Era
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1974-
7
1995-2005
7
Since 1991
7
Unification, 1990
7
1884-1972
6
1913-1994
6
1917-1963
6
1948-
6
1981-1993
6
1989-1993
6
Since 1960
6
1974-1977
5
19th century
5
2001-2017
5
2002-
5
2005-2015
5
Coup d'état, 2020
5
Since 1979
5
Since 1990
5
1882-1945
4
1913-2006
4
1918-1945
4
1971-
4
1985-1991
4
2017-
4
Appropriations and expenditures, 2019
4
Since 1976
4
Since 1980
4
Since 1993
4
1780-1831
3
1900 - 2099
3
1901-1909
3
1912-1945
3
1913-1921
3
1917-2002
3
1922-
3
1923-
3
1927-2019
3
1949-
3
1950-
3
1954-
3
1955-1965
3
1961-1975
3
1963-
3
1973-1993
3
1982-
3
1991-2003
3
1992-
3
1994-
3
1998-
3
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