| Year | Protected | Not Protected | Protected % |
| 2013 | 0 | 33 | 0.00 |
| 2014 | 0 | 34 | 0.00 |
| 2015 | 3 | 31 | 8.82 |
| 2016 | 0 | 35 | 0.00 |
| 2017 | 5 | 31 | 13.89 |
| 2018 | 0 | 37 | 0.00 |
| 2019 | 0 | 38 | 0.00 |
| 2020 | 0 | 39 | 0.00 |
| 2021 | 0 | 30 | 0.00 |
| 2022 | 20 | 21 | 48.78 |
| 2023 | 24 | 18 | 57.14 |
| 2024 | 40 | 2 | 95.24 |
| 2025 | 12 | 30 | 28.57 |
| Totals | 104 | 379 | 21.53 |