| Year | Protected | Not Protected | Protected % |
| 2011 | 0 | 32 | 0.00 |
| 2012 | 2 | 31 | 6.06 |
| 2013 | 0 | 33 | 0.00 |
| 2014 | 0 | 34 | 0.00 |
| 2015 | 26 | 8 | 76.47 |
| 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 | 41 | 0 | 100.00 |
| 2023 | 14 | 28 | 33.33 |
| 2024 | 7 | 35 | 16.67 |
| Totals | 277 | 229 | 54.74 |