Joan Ruddock – Votes and party alignment
| Year | Party alignment | Total votes |
|---|---|---|
| 2015 | 99.53% | 66 |
| 2014 | 98.92% | 238 |
| 2013 | 99.72% | 264 |
| 2012 | 99.25% | 258 |
| 2011 | 99.60% | 253 |
| 2010 | 99.46% | 270 |
| 2009 | 97.86% | 263 |
| 2008 | 97.07% | 318 |
| 2007 | 96.65% | 237 |
| 2006 | 98.61% | 242 |
| 2005 | 97.16% | 247 |
| 2004 | 98.06% | 348 |
| 2003 | 97.49% | 371 |
| 2002 | 98.17% | 276 |
| 2001 | 97.62% | 129 |
| 2000 | 99.28% | 8 |
| 1999 | 98.70% | 11 |
| 1998 | 99.18% | 9 |
| 1997 | 100.00% | 3 |