| Year | Protected | Not Protected | Protected % |
| 2013 | 0 | 33 | 0.00 |
| 2014 | 19 | 15 | 55.88 |
| 2015 | 34 | 0 | 100.00 |
| 2016 | 23 | 12 | 65.71 |
| 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 | 40 | 1 | 97.56 |
| 2023 | 25 | 17 | 59.52 |
| 2024 | 40 | 2 | 95.24 |
| Totals | 333 | 108 | 75.51 |