Stadtgebiet | Gesamtfläche des Stadtgebietes | Landwirtschaftsflächen
| Jahr | Wert | % | Diff | Diff % |
|---|---|---|---|---|
| 2008 | 4,806 ha | 16.00 | ||
| 2010 | 4,762 ha | 15.00 | -44 | -0.92% |
| 2011 | 4,747 ha | 15.00 | -15 | -0.31% |
| 2012 | 4,696 ha | 15.00 | -51 | -1.07% |
| 2013 | 4,686 ha | 15.00 | -10 | -0.21% |
| 2015 | 4,648 ha | 15.00 | -38 | -0.81% |
| 2016 | 4,697 ha | 15.00 | 49 | 1.05% |
| 2017 | 4,669 ha | 15.00 | -28 | -0.60% |
| 2018 | 4,630 ha | 15.00 | -39 | -0.84% |
| 2019 | 4,605 ha | 15.00 | -25 | -0.54% |
| 2020 | 4,574 ha | 15.00 | -31 | -0.67% |