Joan Walley – Votes and party alignment
| Year | Party alignment | Total votes |
|---|---|---|
| 2015 | 97.59% | 66 |
| 2014 | 98.14% | 238 |
| 2013 | 98.95% | 264 |
| 2012 | 99.46% | 258 |
| 2011 | 98.89% | 253 |
| 2010 | 98.67% | 270 |
| 2009 | 96.87% | 263 |
| 2008 | 96.97% | 318 |
| 2007 | 96.65% | 237 |
| 2006 | 96.44% | 242 |
| 2005 | 97.94% | 247 |
| 2004 | 98.88% | 348 |
| 2003 | 95.35% | 371 |
| 2002 | 97.79% | 276 |
| 2001 | 97.41% | 129 |
| 2000 | 99.63% | 8 |
| 1999 | 99.36% | 11 |
| 1998 | 99.80% | 9 |
| 1997 | 100.00% | 3 |