Baroness May – Votes and party alignment
| Year | Party alignment | Total votes |
|---|---|---|
| 2026 | 100.00% | 19 |
| 2025 | 99.88% | 227 |
| 2024 | 97.17% | 148 |
| 2023 | 98.89% | 256 |
| 2022 | 98.45% | 251 |
| 2021 | 98.62% | 242 |
| 2020 | 98.84% | 190 |
| 2019 | 94.71% | 181 |
| 2018 | 99.54% | 198 |
| 2017 | 99.81% | 170 |
| 2016 | 99.60% | 231 |
| 2015 | 98.99% | 218 |
| 2014 | 94.45% | 238 |
| 2013 | 96.52% | 264 |
| 2012 | 98.94% | 258 |
| 2011 | 98.59% | 253 |
| 2010 | 98.96% | 270 |
| 2009 | 97.42% | 263 |
| 2008 | 97.15% | 318 |
| 2007 | 98.22% | 237 |
| 2006 | 97.92% | 242 |
| 2005 | 99.28% | 247 |
| 2004 | 98.68% | 348 |
| 2003 | 98.98% | 371 |
| 2002 | 98.85% | 276 |
| 2001 | 99.78% | 129 |
| 2000 | 100.00% | 8 |
| 1999 | 96.23% | 11 |
| 1998 | 97.17% | 9 |
| 1997 | 100.00% | 3 |