| BNNP | BNP | |||
| Année | Surface (ha) | Linear (km) | Surface (ha) | Linear (km) |
| 2009 | 84.2 | 12.2 | 529.1 | 34.9 |
| 2010 | 341.5 | 22.6 | 353.2 | 34 |
| 2014 | 237.05 | 11.8 | 735.6 | 27.0 |
| 2015 | 167.2 | 14.09 | 365.8 | 28.6 |
| 2016 | 216.6 | 13.2 | 158.5 | 19.8 |
| Total | 73.8 |
| 143.8 | |