| Year | Sites | Sole proposals | Proposal notice | 3rd party proposal notice | Public subscrip-tion | Mix |
|---|---|---|---|---|---|---|
| 2013~2014 | 2 | 1 | 1 | - | - | - |
| 2015 | 8 | 7 | - | 1 | - | - |
| 2016 | 21 | 6 | 13 | 1 | 1 | - |
| 2017 | 17 | - | 10 | 2 | - | 5 |
| 2018 | 18 | 1 (public enterprise) | 11 | 6 | - | - |
| 2019 | 7 | - | 3 | 4 | - | - |
| 2020 | 1 | - | 1 | - | - | - |
| Total | 74 | 15 | 39 | 14 | 1 | 5 |