| Year | Protected | Not Protected | Protected % |
| 2013 | 0 | 33 | 0.00 |
| 2014 | 0 | 34 | 0.00 |
| 2015 | 0 | 34 | 0.00 |
| 2016 | 0 | 35 | 0.00 |
| 2017 | 0 | 36 | 0.00 |
| 2018 | 11 | 26 | 29.73 |
| 2019 | 35 | 3 | 92.11 |
| 2020 | 0 | 39 | 0.00 |
| 2021 | 1 | 29 | 3.33 |
| 2022 | 0 | 41 | 0.00 |
| 2023 | 0 | 42 | 0.00 |
| 2024 | 0 | 42 | 0.00 |
| 2025 | 0 | 42 | 0.00 |
| Totals | 47 | 436 | 9.73 |