Era
1945-
22
Since 1945
17
1991-
8
1989-
6
Since 1991
6
1970-
4
1980-
4
1990-
4
1918-
3
1974-
3
1975-
3
1981-
3
2002-
3
Since 1989
3
Since 1990
3
1947-
2
1960-
2
1971-
2
1971-1991
2
1972-
2
1973-
2
1979-1997
2
1982-
2
1988-
2
1993-
2
1994-
2
1997-
2
2000-
2
21st century
2
Since 1918
2
Since 1947
2
Since 1970
2
Since 1975
2
Since 1976
2
Since 1993
2
1945-1979
1
1945-1989
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
more ...