| Year | Protected | Not Protected | Protected % |
| 2014 | 8 | 26 | 23.53 |
| 2015 | 33 | 1 | 97.06 |
| 2016 | 19 | 16 | 54.29 |
| 2017 | 17 | 19 | 47.22 |
| 2018 | 30 | 7 | 81.08 |
| 2019 | 38 | 0 | 100.00 |
| 2020 | 39 | 0 | 100.00 |
| 2021 | 3 | 27 | 10.00 |
| 2022 | 41 | 0 | 100.00 |
| 2023 | 8 | 34 | 19.05 |
| 2024 | 0 | 42 | 0.00 |
| 2025 | 0 | 42 | 0.00 |
| Totals | 236 | 214 | 52.44 |