| Year | Protected | Not Protected | Protected % |
| 2012 | 0 | 33 | 0.00 |
| 2013 | 0 | 33 | 0.00 |
| 2014 | 0 | 34 | 0.00 |
| 2015 | 0 | 34 | 0.00 |
| 2016 | 2 | 33 | 5.71 |
| 2017 | 7 | 29 | 19.44 |
| 2018 | 0 | 37 | 0.00 |
| 2019 | 10 | 28 | 26.32 |
| 2020 | 32 | 7 | 82.05 |
| 2021 | 5 | 25 | 16.67 |
| 2022 | 36 | 5 | 87.80 |
| 2023 | 3 | 39 | 7.14 |
| 2024 | 0 | 42 | 0.00 |
| 2025 | 0 | 42 | 0.00 |
| Totals | 95 | 421 | 18.41 |