Era
2001-2009
14
1980-
13
1991-
10
Since 1980
10
Since 1991
10
2003-2011
8
1985-
5
2001
5
1975-
4
1979-
4
1992-
4
Since 1975
4
Since 1985
4
Since 1992
4
1945-
3
1973-
3
1988-
3
Since 1945
3
Since 1973
3
Since 1979
3
1959-
2
1986-
2
1990-
2
1993-
2
1997-
2
2001-2011
2
Since 1959
2
Since 1988
2
1944-2005
1
1959-1990
1
1961-
1
1976-2002
1
1989-2001
1
2001-
1
2004-2005
1
Since 1961
1
Since 1986
1
Since 1990
1
Since 1993
1
Since 1997
1
Since 2001
1