| Year | Rep/Lean Rep | Dem/Lean Dem |
|---|---|---|
| 1992 | ||
| 1994 | ||
| 1995 | ||
| 1996 | ||
| 1997 | ||
| 1998 | ||
| 1999 | ||
| 2000 | ||
| 2001 | ||
| 2002 | ||
| 2003 | ||
| 2004 | ||
| 2005 | ||
| 2006 | ||
| 2007 | 26 | 69 |
| 2008 | N/A | N/A |
| 2009 | 19 | 76 |
| 2010 | 23 | 69 |
| 2011 | 23 | 64 |
| 2012 | 26 | 65 |
| 2013 | 25 | 65 |
| 2014 | 26 | 65 |
| 2015 | 27 | 67 |
| 2016 | 23 | 68 |
| 2017 | 27 | 64 |
- Report
|
Numbers, Facts and Trends Shaping Your World
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