Alan Johnson – Votes and party alignment
| Year | Party alignment | Total votes |
|---|---|---|
| 2017 | 97.01% | 84 |
| 2016 | 99.51% | 231 |
| 2015 | 98.15% | 218 |
| 2014 | 99.31% | 238 |
| 2013 | 99.64% | 264 |
| 2012 | 99.31% | 258 |
| 2011 | 99.59% | 253 |
| 2010 | 98.26% | 270 |
| 2009 | 97.85% | 263 |
| 2008 | 97.27% | 318 |
| 2007 | 97.93% | 237 |
| 2006 | 97.29% | 242 |
| 2005 | 97.10% | 247 |
| 2004 | 98.63% | 348 |
| 2003 | 97.73% | 371 |
| 2002 | 98.11% | 276 |
| 2001 | 97.99% | 129 |
| 2000 | 99.72% | 8 |
| 1999 | 98.68% | 11 |
| 1998 | 99.10% | 9 |
| 1997 | 100.00% | 3 |