| Year | Protected | Not Protected | Protected % |
| 2015 | 0 | 34 | 0.00 |
| 2014 | 1 | 33 | 2.94 |
| 2020 | 34 | 0 | 100.00 |
| 2013 | 0 | 34 | 0.00 |
| 2019 | 34 | 0 | 100.00 |
| 2024 | 0 | 34 | 0.00 |
| 2018 | 23 | 11 | 67.65 |
| 2021 | 34 | 0 | 100.00 |
| 2022 | 22 | 12 | 64.71 |
| 2016 | 0 | 34 | 0.00 |
| 2017 | 0 | 34 | 0.00 |
| 2023 | 0 | 34 | 0.00 |
| Totals | 148 | 260 | 36.27 |