Era
1945-
20
Since 1945
15
1991-
7
Since 1991
5
1970-
4
1990-
4
1973-
3
1974-
3
1975-
3
1979-1997
3
1980-
3
1981-
3
1982-
3
1989-
3
2002-
3
Since 1990
3
1947-
2
1960-
2
1972-
2
1983-
2
1985-2002
2
1993-
2
1997-
2
Since 1947
2
Since 1970
2
Since 1975
2
Since 1976
2
Since 1983
2
Since 1989
2
Since 1993
2
1918-
1
1945-1979
1
1945-1989
1
1945-1991
1
1945-1997
1
1946-
1
1948-1994
1
1949-
1
1952-
1
1958-
1
1961-
1
1961-1991
1
1963-
1
1966-1997
1
1966-1998
1
1968-
1
1968-1989
1
1968-1998
1
1969-
1
1970-1973
1
more ...