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