Era
1945-
57
Since 1945
49
1991-
17
1990-
13
Since 1991
13
1970-
12
1981-2001
10
1981-
9
1989-
9
Since 1970
9
Since 1981
8
Since 1989
8
1982-
7
1960-
6
2000-
6
2001-2009
6
Since 1982
6
Since 1990
6
1982-1994
5
Since 1960
5
Since 1976
5
1968-
4
1971-1981
4
1971-1990
4
1973-
4
1974-
4
1985-
4
1986-
4
1993-2001
4
1994-
4
21st century
4
Since 1971
4
Since 1986
4
1947-
3
1949-
3
1958-
3
1972-
3
1973-1988
3
1975-
3
1975-2008
3
1976-2000
3
1979-1997
3
1981-2009
3
1988-
3
1993-
3
1997-
3
2002-
3
Since 1947
3
Since 1968
3
Since 1985
3
more ...