| 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 |
| private outdoor area • 39.13% • 1918 nodes | |||||||||||||
| 0 | 0 | 1 | 95 | 161 | 243 | 223 | 121 | 66 | 175 | 138 | 228 | 273 | 194 |
| public outdoor area • 32.10% • 1573 nodes | |||||||||||||
| 0 | 0 | 0 | 1 | 42 | 29 | 21 | 23 | 18 | 203 | 329 | 124 | 488 | 295 |
| not specified • 28.36% • 1390 nodes | |||||||||||||
| 0 | 1 | 7 | 25 | 43 | 39 | 32 | 55 | 38 | 160 | 174 | 303 | 281 | 232 |
| indoor area • 0.41% • 20 nodes | |||||||||||||
| 0 | 0 | 0 | 1 | 2 | 8 | 0 | 1 | 0 | 0 | 1 | 1 | 4 | 2 |
| Total • 100% • 4901 nodes | |||||||||||||
| 0 | 1 | 8 | 122 | 248 | 319 | 276 | 200 | 122 | 538 | 642 | 656 | 1046 | 723 |
