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