Era
1960-
3
1990-
3
1991-
3
1958-
2
1970-
2
1976-2000
2
1981-
2
1981-2001
2
1985-
2
1989-
2
2000-
2
20th century
2
Since 1958
2
Since 1981
2
Since 1989
2
1900-1999
1
1957-1979
1
1966-1997
1
1966-1998
1
1979-2001
1
1992-
1
1997-
1
1998-
1
2001-2009
1
2009-
1
Since 1960
1
Since 1966
1
Since 1970
1
Since 1990
1
Since 1991
1
Since 1992
1