| Year | Rep/Lean Rep | Dem/Lean Dem |
|---|---|---|
| 2001 | 23% | 45% |
| 2003 | 24% | 44% |
| 2004 | 19% | 43% |
| 2005 | 20% | 49% |
| 2006 | 20% | 47% |
| 2007 | 20% | 49% |
| 2008 | 23% | 51% |
| 2009 | 21% | 51% |
| 2010 | 27% | 55% |
| 2011 | 35% | 57% |
| 2012 | 30% | 63% |
| 2013 | 33% | 62% |
| 2014 | 37% | 67% |
| 2015 | 38% | 69% |
| 2016 | 38% | 70% |
| 2017 | 47% | 76% |
| 2019 | 44% | 75% |
- Report
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