| Male | Daniel Akaka,
Evan Bayh,
Joe Biden,
Jeff Bingaman,
Tom Carper,
Mark Dayton,
Chris Dodd,
Dick Durbin,
Russ Feingold,
Tom Harkin,
Daniel Inouye,
James Jeffords,
Tim Johnson,
Edward Kennedy,
John Kerry,
Herb Kohl,
Frank Lautenberg,
Patrick Leahy,
Carl Levin,
Joseph Lieberman,
Robert Menendez,
Barack Obama,
Mark Pryor,
Jack Reed,
Harry Reid,
Kenneth Salazar,
Paul Sarbanes,
Chuck Schumer,
Ron Wyden | Lamar Alexander,
Wayne Allard,
George Allen,
Max Baucus,
Bob Bennett,
Kit Bond,
Sam Brownback,
Jim Bunning,
Conrad Burns,
Richard Burr,
Robert Byrd,
Lincoln Chafee,
Saxby Chambliss,
Tom Coburn,
Thad Cochran,
Norm Coleman,
Kent Conrad,
John Cornyn,
Larry Craig,
Mike Crapo,
Jim DeMint,
Mike DeWine,
Pete Domenici,
Byron Dorgan,
John Ensign,
Mike Enzi,
Bill Frist,
Lindsey Graham,
Chuck Grassley,
Judd Gregg,
Chuck Hagel,
Orrin Hatch,
James Inhofe,
Johnny Isakson,
Jon Kyl,
Trent Lott,
Richard Lugar,
Mel Martinez,
John McCain,
Mitch McConnell,
Bill Nelson,
Ben Nelson,
Pat Roberts,
Rick Santorum,
Jeff Sessions,
Richard Shelby,
Gordon Smith,
Arlen Specter,
John Sununu,
Jim Talent,
Craig Thomas,
John Thune,
David Vitter,
George Voinovich,
John Warner | Jay Rockefeller,
Ted Stevens |