John Isakson
Party: Republican
Chamber: Senate
State: Georgia
| Year | Grade | Score | Rank |
|---|---|---|---|
| 2019 | N/A | N/A | N/A |
| 2018 | C- | 46% | 35 |
| 2017 | B | 77% | 42 |
| 2016 | C+ | 66% | 23 |
| 2015 | B | 76% | 30 |
| 2014 | C- | 45% | 40 |
| 2013 | C+ | 63% | 43 |
| 2012 | C+ | 69% | 31 |
| 2011 | B- | 79% | 37 |
| 2010 | A | 96% | 24 |
| 2009 | A | 90% | 15 |
| 2008 | C | 50% | 35 |
| 2007 | B+ | 75% | 18 |
| 2006 | B+ | 83% | 15 |
| 2005 | A | 77% | 12 |