| Year | Protected | Not Protected | Protected % |
| 2013 | 0 | 33 | 0.00 |
| 2014 | 12 | 22 | 35.29 |
| 2015 | 30 | 4 | 88.24 |
| 2016 | 35 | 0 | 100.00 |
| 2017 | 7 | 29 | 19.44 |
| 2018 | 16 | 21 | 43.24 |
| 2019 | 0 | 38 | 0.00 |
| 2020 | 8 | 31 | 20.51 |
| 2021 | 1 | 29 | 3.33 |
| 2022 | 3 | 38 | 7.32 |
| 2023 | 0 | 42 | 0.00 |
| 2024 | 14 | 28 | 33.33 |
| Totals | 126 | 315 | 28.57 |