Oliver Letwin – Votes and party alignment
| Year | Party alignment | Total votes |
|---|---|---|
| 2019 | 74.85% | 179 |
| 2018 | 98.93% | 198 |
| 2017 | 99.78% | 170 |
| 2016 | 99.59% | 231 |
| 2015 | 98.83% | 218 |
| 2014 | 97.10% | 238 |
| 2013 | 97.51% | 264 |
| 2012 | 98.78% | 258 |
| 2011 | 99.10% | 253 |
| 2010 | 98.92% | 270 |
| 2009 | 98.42% | 263 |
| 2008 | 95.43% | 318 |
| 2007 | 98.38% | 237 |
| 2006 | 98.86% | 242 |
| 2005 | 99.27% | 247 |
| 2004 | 99.44% | 348 |
| 2003 | 98.83% | 371 |
| 2002 | 98.85% | 276 |
| 2001 | 95.62% | 129 |
| 2000 | 97.47% | 8 |
| 1999 | 94.50% | 11 |
| 1998 | 97.17% | 9 |
| 1997 | 98.25% | 3 |