| Year | Protected | Not Protected | Protected % |
| 2013 | 0 | 33 | 0.00 |
| 2014 | 14 | 20 | 41.18 |
| 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 | 40 | -1 | 102.56 |
| 2021 | 3 | 27 | 10.00 |
| 2022 | 39 | 2 | 95.12 |
| 2023 | 7 | 35 | 16.67 |
| 2024 | 1 | 41 | 2.38 |
| Totals | 284 | 157 | 64.40 |