| Year | Protected | Not Protected | Protected % |
| 2013 | 0 | 33 | 0.00 |
| 2014 | 0 | 34 | 0.00 |
| 2015 | 0 | 34 | 0.00 |
| 2016 | 2 | 33 | 5.71 |
| 2017 | 2 | 34 | 5.56 |
| 2018 | 1 | 36 | 2.70 |
| 2019 | 2 | 36 | 5.26 |
| 2020 | 37 | 2 | 94.87 |
| 2021 | 3 | 27 | 10.00 |
| 2022 | 41 | 0 | 100.00 |
| 2023 | 41 | 1 | 97.62 |
| 2024 | 42 | 0 | 100.00 |
| 2025 | 41 | 1 | 97.62 |
| Totals | 212 | 271 | 43.89 |