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 | 10,7 | 0,00 % |
| 2021 | 10,7 | 0,00 % |
| 2020 | 10,7 | 0,00 % |
| 2019 | 10,7 | -2,57 % |
| 2018 | 11,0 | 0,00 % |
| 2017 | 11,0 | 0,01 % |
| 2016 | 11,0 |