David Heath – Votes and party alignment
| Year | Party alignment | Total votes |
|---|---|---|
| 2015 | 95.23% | 66 |
| 2014 | 96.39% | 238 |
| 2013 | 97.21% | 264 |
| 2012 | 97.35% | 258 |
| 2011 | 98.64% | 253 |
| 2010 | 97.98% | 270 |
| 2009 | 99.29% | 263 |
| 2008 | 98.62% | 318 |
| 2007 | 98.82% | 237 |
| 2006 | 98.47% | 242 |
| 2005 | 97.76% | 247 |
| 2004 | 94.91% | 348 |
| 2003 | 98.80% | 371 |
| 2002 | 97.98% | 276 |
| 2001 | 96.54% | 129 |
| 2000 | 91.65% | 8 |
| 1999 | 97.84% | 11 |
| 1998 | 97.79% | 9 |
| 1997 | 89.66% | 3 |