| Congress | Democratic Women | Republican Women | Democratic Men | Republican Men |
|---|---|---|---|---|
| 103rd (1993-1994) | 5.1 | 3.9 | 1.9 | 1.3 |
| 104th (1995-1996) | 5.3 | 3.6 | 2.0 | 1.2 |
| 105th (1997-1998) | 5.5 | 3.2 | 2.1 | 1.1 |
| 106th (1999-2000) | 5.8 | 2.9 | 2.3 | 1.0 |
| 107th (2001-2002) | 6.2 | 2.6 | 2.5 | 0.9 |
| 108th (2003-2004) | 6.5 | 2.3 | 2.6 | 0.8 |
| 109th (2005-2006) | 6.9 | 2.0 | 2.7 | 0.7 |
| 110th (2007-2008) | 7.3 | 1.8 | 2.8 | 0.6 |
| 111th (2009-2010) | 7.8 | 1.7 | 3.0 | 0.5 |
| 112th (2011-2012) | 8.2 | 1.6 | 3.1 | 0.4 |
| 113th (2013-2014) | 8.5 | 2.1 | 3.2 | 0.4 |
| 114th (2015-2016) | 8.7 | 2.7 | 3.3 | 0.3 |
| 115th (2017-2018) | 9.0 | 3.2 | 3.4 | 0.3 |
| 116th (2019-2020) | 9.3 | 3.8 | 3.5 | 0.2 |
| 117th (2021-2022) | 9.5 | 4.4 | 3.7 | 0.2 |