| Jahr | Leerstandsquote in % |
|---|---|
| 2002 | 1.3276 |
| 2003 | 1.3625 |
| 2004 | 1.4393 |
| 2005 | 1.5195 |
| 2006 | 1.4059 |
| 2007 | 1.4015 |
| 2008 | 1.2354 |
| 2009 | 0.9246 |
| 2010 | 0.7452 |
| 2011 | 0.4959 |
| 2012 | 0.4728 |
| 2013 | 0.3408 |
| 2014 | 0.2303 |
| 2015 | 0.3365 |
| 2016 | 0.4168 |
| 2017 | 0.5004 |
| 2018 | 0.7112 |
| 2019 | 1.0114 |
| 2020 | 0.9611 |
| 2021 | 1.0959 |
| 2022 | 1.1658 |
| 2023 | 1.0647 |
| 2024 | 0.7722 |
| 2025 | 0.9232 |