Graham Allen – Votes and party alignment
| Year | Party alignment | Total votes |
|---|---|---|
| 2017 | 89.56% | 84 |
| 2016 | 97.78% | 231 |
| 2015 | 98.65% | 218 |
| 2014 | 95.05% | 238 |
| 2013 | 99.49% | 264 |
| 2012 | 97.35% | 258 |
| 2011 | 97.80% | 253 |
| 2010 | 97.72% | 270 |
| 2009 | 97.49% | 263 |
| 2008 | 95.82% | 318 |
| 2007 | 97.47% | 237 |
| 2006 | 97.83% | 242 |
| 2005 | 95.71% | 247 |
| 2004 | 98.23% | 348 |
| 2003 | 97.16% | 371 |
| 2002 | 97.05% | 276 |
| 2001 | 98.84% | 129 |
| 2000 | 99.28% | 8 |
| 1999 | 98.70% | 11 |
| 1998 | 99.29% | 9 |
| 1997 | 79.64% | 3 |