Frank Dobson – Votes and party alignment
| Year | Party alignment | Total votes |
|---|---|---|
| 2015 | 99.13% | 66 |
| 2014 | 98.15% | 238 |
| 2013 | 97.55% | 264 |
| 2012 | 99.87% | 258 |
| 2011 | 99.10% | 253 |
| 2010 | 98.00% | 270 |
| 2009 | 95.23% | 263 |
| 2008 | 94.51% | 318 |
| 2007 | 96.03% | 237 |
| 2006 | 95.26% | 242 |
| 2005 | 88.99% | 247 |
| 2004 | 97.95% | 348 |
| 2003 | 96.29% | 371 |
| 2002 | 97.83% | 276 |
| 2001 | 96.76% | 129 |
| 2000 | 98.76% | 8 |
| 1999 | 98.97% | 11 |
| 1998 | 99.85% | 9 |
| 1997 | 100.00% | 3 |