| Suitability class | Area in km2 | Percentage |
| Highly suitable | 2675 | 9.2% |
| Suitable | 3449 | 11.8% |
| Marginally suitable | 3600 | 12.3% |
| Least suitable | 19,444 | 66.7% |
| Total | 29,168 | 100% |