| Year | Rep/Lean Rep | Dem/Lean Dem |
|---|---|---|
| 1992 | ||
| 1994 | 80 | 16 |
| 1995 | ||
| 1996 | 64 | 29 |
| 1997 | ||
| 1998 | 61 | 28 |
| 1999 | 60 | 33 |
| 2000 | ||
| 2001 | 65 | 27 |
| 2002 | 71 | 23 |
| 2003 | 71 | 21 |
| 2004 | 70 | 24 |
| 2005 | 74 | 21 |
| 2006 | 73 | 20 |
| 2007 | 66 | 25 |
| 2008 | 68 | 18 |
| 2009 | 74 | 17 |
| 2010 | 74 | 21 |
| 2011 | 80 | 17 |
| 2012 | 78 | 17 |
| 2013 | 78 | 14 |
| 2014 | 75 | 17 |
| 2015 | 77 | 15 |
| 2016 | 71 | 22 |
| 2017 | 72 | 22 |
- Report
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