Era
1943-
38
1980-
4
20th century
3
1945-1989
2
1974-
2
1989-
2
1900-1999
1
1918-
1
1945-
1
1948-1980
1
1963-
1
1970-
1
1979-
1
1979-1980
1
1980-1984
1
1982-
1
1982-2006
1
1984-
1
1985-
1
1985-2002
1
1988-2000
1
2000-
1
2003-
1
21st century
1
Since 1918
1
Since 1945
1
Since 1974
1
Since 1979
1
Since 1980
1
Since 1982
1
Since 1985
1