Verkehr | Straßenbahn | Streckenlänge
| Jahr | Wert | % | Diff | Diff % |
|---|---|---|---|---|
| 2008 | 71 km | 0.00 | ||
| 2010 | 74 km | 0.00 | 3 | 4.23% |
| 2011 | 75 km | 0.00 | 1 | 1.35% |
| 2012 | 79 km | 0.00 | 4 | 5.33% |
| 2013 | 79 km | 0.00 | 0 | 0.00% |
| 2017 | 82 km | 0.00 | 3 | 3.80% |
| 2018 | 85 km | 0.00 | 3 | 3.66% |
| 2019 | 82 km | 0.00 | -3 | -3.53% |
| 2020 | 81 km | 0.00 | -1 | -1.22% |
| 2021 | 81 km | 0.00 | 0 | 0.00% |
| 2022 | 82 km | 0.00 | 1 | 1.23% |
| 2023 | 82 km | 0.00 | 0 | 0.00% |