| Year | Rep/Lean Rep | Dem/Lean Dem |
|---|---|---|
| 1992 | ||
| 1994 | 33 | 52 |
| 1995 | 36 | 49 |
| 1996 | 33 | 59 |
| 1997 | 29 | 56 |
| 1998 | 27 | 58 |
| 1999 | 29 | 56 |
| 2000 | 32 | 50 |
| 2001 | 28 | 58 |
| 2002 | 32 | 51 |
| 2003 | 29 | 57 |
| 2004 | 27 | 61 |
| 2005 | 24 | 64 |
| 2006 | 25 | 61 |
| 2007 | 24 | 63 |
| 2008 | 25 | 64 |
| 2009 | 25 | 63 |
| 2010 | 29 | 58 |
| 2011 | 27 | 61 |
| 2012 | 27 | 63 |
| 2013 | 26 | 62 |
| 2014 | 26 | 64 |
| 2015 | 24 | 64 |
| 2016 | 25 | 66 |
| 2017 | 22 | 68 |
- Report
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