Stadtgebiet | Gesamtfläche des Stadtgebietes
| Jahr | Wert | % | Diff | Diff % |
|---|---|---|---|---|
| 2008 | 31,040 ha | 0.00 | ||
| 2010 | 31,070 ha | 0.00 | 30 | 0.10% |
| 2011 | 31,071 ha | 0.00 | 1 | 0.00% |
| 2012 | 31,070 ha | 0.00 | -1 | 0.00% |
| 2013 | 31,077 ha | 0.00 | 7 | 0.02% |
| 2014 | 31,075 ha | 0.00 | -2 | -0.01% |
| 2015 | 31,074 ha | 0.00 | -1 | 0.00% |
| 2016 | 31,071 ha | 0.00 | -3 | -0.01% |
| 2017 | 31,071 ha | 0.00 | 0 | 0.00% |
| 2018 | 31,070 ha | 0.00 | -1 | 0.00% |
| 2019 | 31,071 ha | 0.00 | 1 | 0.00% |
| 2020 | 31,071 ha | 0.00 | 0 | 0.00% |