| 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 • 54.68% • 216 nodes | |||||||||||||
| 0 | 0 | 0 | 3 | 0 | 5 | 115 | 5 | 7 | 7 | 1 | 6 | 44 | 23 |
| public outdoor area • 25.82% • 102 nodes | |||||||||||||
| 0 | 0 | 0 | 1 | 0 | 1 | 15 | 2 | 0 | 3 | 2 | 3 | 15 | 60 |
| not specified • 19.49% • 77 nodes | |||||||||||||
| 0 | 0 | 0 | 0 | 3 | 0 | 8 | 1 | 1 | 2 | 7 | 5 | 14 | 36 |
| Total • 100% • 395 nodes | |||||||||||||
| 0 | 0 | 0 | 4 | 3 | 6 | 138 | 8 | 8 | 12 | 10 | 14 | 73 | 119 |
