United Nations Environmental Program and the World Conservation Monitoring Centre, as compiled by the World Resources Institute, based on data from national authorities, national legislation and international agreements.
| Date | Valeur | Modifier , % |
|---|---|---|
| 2022 | 33,1 | 0,00 % |
| 2021 | 33,1 | 0,00 % |
| 2020 | 33,1 | 1,06 % |
| 2019 | 32,8 | 15,79 % |
| 2018 | 28,3 | 0,00 % |
| 2017 | 28,3 | 0,03 % |
| 2016 | 28,3 |