Robert Walter – Votes and party alignment
| Year | Party alignment | Total votes |
|---|---|---|
| 2015 | 96.57% | 66 |
| 2014 | 97.39% | 238 |
| 2013 | 94.73% | 264 |
| 2012 | 97.19% | 258 |
| 2011 | 97.98% | 253 |
| 2010 | 96.65% | 270 |
| 2009 | 97.34% | 263 |
| 2008 | 96.53% | 318 |
| 2007 | 97.28% | 237 |
| 2006 | 97.26% | 242 |
| 2005 | 96.59% | 247 |
| 2004 | 97.47% | 348 |
| 2003 | 97.52% | 371 |
| 2002 | 93.72% | 276 |
| 2001 | 99.06% | 129 |
| 2000 | 97.47% | 8 |
| 1999 | 94.50% | 11 |
| 1998 | 100.00% | 9 |
| 1997 | 98.25% | 3 |