| NE | | R | Ben Sasse | 1 | 100% | 99% | |
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| UT | 00 | R | Mike Lee | 1 | 100% | 99% | |
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| OK | | R | James Lankford | 1 | 100% | 85% | |
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| AZ | | R | Jeff Flake | 4 | 92% | 95% | |
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| PA | | R | Pat Toomey | 5 | 91% | 91% | |
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| KY | 00 | R | Rand Paul | 6 | 90% | 95% | |
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| AL | | R | Jeff Sessions | 6 | 90% | 87% | |
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| SC | 00 | R | Tim Scott | 8 | 89% | 91% | |
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| GA | | R | David Perdue | 9 | 88% | 88% | |
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| WY | | R | Michael Enzi | 10 | 84% | 84% | |
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| FL | | R | Marco Rubio | 11 | 83% | 92% | |
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| IN | | R | Daniel Coats | 11 | 83% | 78% | |
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| OK | | R | James Inhofe | 13 | 82% | 91% | |
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| AR | 00 | R | Tom Cotton | 13 | 82% | 90% | |
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| TN | | R | Bob Corker | 13 | 82% | 80% | |
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| AR | | R | John Boozman | 13 | 82% | 73% | |
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| ID | 00 | R | Jim Risch | 17 | 81% | 88% | |
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| WY | 00 | R | John Barrasso | 18 | 79% | 83% | |
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| AL | | R | Richard Shelby | 18 | 79% | 78% | |
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| WI | 00 | R | Ron Johnson | 20 | 78% | 88% | |
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| AZ | | R | John McCain | 20 | 78% | 82% | |
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| NV | | R | Dean Heller | 22 | 77% | 79% | |
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| IA | 00 | R | Chuck Grassley | 23 | 75% | 79% | |
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| IA | 00 | R | Joni Ernst | 23 | 75% | 73% | |
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| KS | | R | Jerry Moran | 23 | 75% | 73% | |
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| KY | 00 | R | Mitch McConnell | 26 | 74% | 79% | |
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| NE | 00 | R | Deb Fischer | 26 | 74% | 75% | |
Hide | Year | State | Dist | Party | Name | Rank | Score | Lifetime |
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| KS | | R | Pat Roberts | 26 | 74% | 74% | |
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| ID | 00 | R | Mike Crapo | 29 | 73% | 82% | |
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| MT | 00 | R | Steve Daines | 29 | 73% | 79% | |
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| AK | 00 | R | Dan Sullivan | 29 | 73% | 76% | |
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| UT | | R | Orrin Hatch | 29 | 73% | 74% | |
Hide | Year | State | Dist | Party | Name | Rank | Score | Lifetime |
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| TX | 00 | R | John Cornyn | 33 | 72% | 83% | |
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| LA | | R | David Vitter | 33 | 72% | 80% | |
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| SD | 00 | R | John Thune | 35 | 70% | 77% | |
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| MS | 00 | R | Roger Wicker | 36 | 68% | 68% | |
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| GA | | R | Johnny Isakson | 37 | 67% | 72% | |
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| NC | 00 | R | Thom Tillis | 37 | 67% | 66% | |
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| SD | 00 | R | Mike Rounds | 39 | 64% | 61% | |
Hide | Year | State | Dist | Party | Name | Rank | Score | Lifetime |
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| ND | 00 | R | John Hoeven | 39 | 64% | 57% | |
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| NC | | R | Richard Burr | 41 | 61% | 78% | |
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| CO | | R | Cory Gardner | 41 | 61% | 69% | |
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| LA | | R | Bill Cassidy | 43 | 57% | 71% | |
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| SC | 00 | R | Lindsey Graham | 43 | 57% | 70% | |
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| MS | | R | Thad Cochran | 45 | 56% | 63% | |
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| WV | | R | Shelley Capito | 45 | 56% | 50% | |
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| NJ | 00 | D | Cory Booker | 46 | 89% | 13% | |
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| NH | | R | Kelly Ayotte | 47 | 54% | 72% | |
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| MO | | R | Roy Blunt | 47 | 54% | 69% | |
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| TN | | R | Lamar Alexander | 49 | 52% | 66% | |
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| AK | 00 | R | Lisa Murkowski | 50 | 50% | 55% | |
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| IL | | R | Mark Kirk | 51 | 47% | 55% | |
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| OH | | R | Rob Portman | 52 | 40% | 69% | |
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| ND | | D | Heidi Heitkamp | 53 | 30% | 13% | |
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| WV | | D | Joe Manchin | 54 | 26% | 21% | |
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| ME | 00 | R | Susan Collins | 55 | 24% | 35% | |
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| MO | | D | Claire McCaskill | 56 | 15% | 16% | |
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| IN | | D | Joe Donnelly | 56 | 15% | 13% | |
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| MA | | D | Edward Markey | 58 | 14% | 9% | |
Hide | Year | State | Dist | Party | Name | Rank | Score | Lifetime |
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| MI | | D | Gary Peters | 58 | 14% | 8% | |
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| MN | | D | Al Franken | 58 | 14% | 5% | |
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| NJ | | D | Robert Menendez | 61 | 13% | 14% | |
Hide | Year | State | Dist | Party | Name | Rank | Score | Lifetime |
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| NJ | 00 | D | Cory Booker | 61 | 13% | 13% | |
Hide | Year | State | Dist | Party | Name | Rank | Score | Lifetime |
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| MA | 00 | D | Elizabeth Warren | 61 | 13% | 12% | |
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| OR | 00 | D | Ron Wyden | 61 | 13% | 9% | |
Hide | Year | State | Dist | Party | Name | Rank | Score | Lifetime |
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| RI | 00 | D | Sheldon Whitehouse | 61 | 13% | 6% | |
Hide | Year | State | Dist | Party | Name | Rank | Score | Lifetime |
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| MT | | D | Jon Tester | 66 | 12% | 13% | |
Hide | Year | State | Dist | Party | Name | Rank | Score | Lifetime |
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| DE | | D | Thomas Carper | 66 | 12% | 12% | |
Hide | Year | State | Dist | Party | Name | Rank | Score | Lifetime |
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| OR | 00 | D | Jeff Merkley | 68 | 9% | 6% | |
Hide | Year | State | Dist | Party | Name | Rank | Score | Lifetime |
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| CA | | D | Dianne Feinstein | 68 | 9% | 6% | |
Hide | Year | State | Dist | Party | Name | Rank | Score | Lifetime |
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| MI | | D | Debbie Stabenow | 70 | 8% | 14% | |
Hide | Year | State | Dist | Party | Name | Rank | Score | Lifetime |
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| VT | | D | Patrick Leahy | 70 | 8% | 2% | |
Hide | Year | State | Dist | Party | Name | Rank | Score | Lifetime |
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| VA | 00 | D | Mark Warner | 72 | 6% | 11% | |
Hide | Year | State | Dist | Party | Name | Rank | Score | Lifetime |
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| NM | | D | Tom Udall | 73 | 5% | 13% | |
Hide | Year | State | Dist | Party | Name | Rank | Score | Lifetime |
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| WA | 00 | D | Maria Cantwell | 73 | 5% | 11% | |
Hide | Year | State | Dist | Party | Name | Rank | Score | Lifetime |
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| FL | | D | Bill Nelson | 73 | 5% | 10% | |
Hide | Year | State | Dist | Party | Name | Rank | Score | Lifetime |
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| CO | 00 | D | Michael Bennet | 73 | 5% | 9% | |
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| DE | 00 | D | Chris Coons | 73 | 5% | 7% | |
Hide | Year | State | Dist | Party | Name | Rank | Score | Lifetime |
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| CT | 00 | D | Richard Blumenthal | 73 | 5% | 7% | |
Hide | Year | State | Dist | Party | Name | Rank | Score | Lifetime |
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| NV | | D | Harry Reid | 73 | 5% | 6% | |
Hide | Year | State | Dist | Party | Name | Rank | Score | Lifetime |
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| RI | 00 | D | Jack Reed | 73 | 5% | 6% | |
Hide | Year | State | Dist | Party | Name | Rank | Score | Lifetime |
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| MN | 00 | D | Amy Klobuchar | 73 | 5% | 6% | |
Hide | Year | State | Dist | Party | Name | Rank | Score | Lifetime |
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| NH | 00 | D | Jeanne Shaheen | 73 | 5% | 6% | |
Hide | Year | State | Dist | Party | Name | Rank | Score | Lifetime |
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| PA | | D | Bob Casey | 73 | 5% | 6% | |
Hide | Year | State | Dist | Party | Name | Rank | Score | Lifetime |
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| WA | 00 | D | Patty Murray | 73 | 5% | 6% | |
Hide | Year | State | Dist | Party | Name | Rank | Score | Lifetime |
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| NY | 00 | D | Chuck Schumer | 73 | 5% | 4% | |
Hide | Year | State | Dist | Party | Name | Rank | Score | Lifetime |
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| WI | 00 | D | Tammy Baldwin | 73 | 5% | 4% | |
Hide | Year | State | Dist | Party | Name | Rank | Score | Lifetime |
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| VA | 00 | D | Tim Kaine | 73 | 5% | 4% | |
Hide | Year | State | Dist | Party | Name | Rank | Score | Lifetime |
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| NM | 00 | D | Martin Heinrich | 73 | 5% | 4% | |
Hide | Year | State | Dist | Party | Name | Rank | Score | Lifetime |
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| ME | 00 | I | Angus King | 73 | 5% | 2% | |
Hide | Year | State | Dist | Party | Name | Rank | Score | Lifetime |
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| NY | 00 | D | Kirsten Gillibrand | 90 | 0% | 7% | |
Hide | Year | State | Dist | Party | Name | Rank | Score | Lifetime |
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| CT | 00 | D | Christopher Murphy | 90 | 0% | 6% | |
Hide | Year | State | Dist | Party | Name | Rank | Score | Lifetime |
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| OH | | D | Sherrod Brown | 90 | 0% | 4% | |
Hide | Year | State | Dist | Party | Name | Rank | Score | Lifetime |
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| IL | 00 | D | Dick Durbin | 90 | 0% | 3% | |
Hide | Year | State | Dist | Party | Name | Rank | Score | Lifetime |
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| MD | | D | Barbara Mikulski | 90 | 0% | 3% | |
Hide | Year | State | Dist | Party | Name | Rank | Score | Lifetime |
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| MD | | D | Benjamin Cardin | 90 | 0% | 3% | |
Hide | Year | State | Dist | Party | Name | Rank | Score | Lifetime |
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| CA | | D | Barbara Boxer | 90 | 0% | 3% | |
Hide | Year | State | Dist | Party | Name | Rank | Score | Lifetime |
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| HI | | D | Mazie Hirono | 90 | 0% | 3% | |
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| HI | 00 | D | Brian Schatz | 90 | 0% | 0% | |
Hide | Year | State | Dist | Party | Name | Rank | Score | Lifetime |
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| MT | | D | John Walsh | 94 | 78% | 13% | |
Hide | Year | State | Dist | Party | Name | Rank | Score | Lifetime |
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| WV | | D | Carte Goodwin | 128 | 72% | n.a. | |
Hide | Year | State | Dist | Party | Name | Rank | Score | Lifetime |
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| CA | | D | Barbara Boxer | 302 | 4% | 3% | |
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| TX | 00 | R | Ted Cruz | 0 | n.a. | 95% | |
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| IL | | R | Mark Kirk | 0 | n.a. | 55% | |
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| MA | 00 | D | Edward Markey | 0 | n.a. | 9% | |
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| MI | 00 | D | Gary Peters | 0 | n.a. | 8% | |
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| VT | 00 | I | Bernie Sanders | 0 | n.a. | 7% | |
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| HI | 00 | D | Mazie Hirono | 0 | n.a. | 3% | |
Hide | Year | State | Dist | Party | Name | Rank | Score | Lifetime |
|