| Year | Protected | Not Protected | Protected % |
| 2011 | 0 | 32 | 0.00 |
| 2012 | 2 | 31 | 6.06 |
| 2013 | 33 | 0 | 100.00 |
| 2014 | 34 | 0 | 100.00 |
| 2015 | 34 | 0 | 100.00 |
| 2016 | 35 | 0 | 100.00 |
| 2017 | 36 | 0 | 100.00 |
| 2018 | 37 | 0 | 100.00 |
| 2019 | 38 | 0 | 100.00 |
| 2020 | 39 | 0 | 100.00 |
| 2021 | 2 | 28 | 6.67 |
| 2022 | 14 | 27 | 34.15 |
| 2023 | 31 | 11 | 73.81 |
| 2024 | 9 | 33 | 21.43 |
| 2025 | 0 | 42 | 0.00 |
| Totals | 344 | 204 | 62.77 |