| Value | Category | Cases | |
|---|---|---|---|
| 0 | Ocean | 0 | 
                                    
                                    0%
                                 | 
| 1 | No or Slight Constraint | 757 | 
                                    
                                    15.3%
                                 | 
| 2 | Moderate Constraint | 1419 | 
                                    
                                    28.6%
                                 | 
| 3 | Severe Constraint | 1169 | 
                                    
                                    23.6%
                                 | 
| 4 | Very Severe Constraint | 1311 | 
                                    
                                    26.5%
                                 | 
| 5 | Mainly Non-Soil | 268 | 
                                    
                                    5.4%
                                 | 
| 6 | Permafrost | 0 | 
                                    
                                    0%
                                 | 
| 7 | Water | 30 | 
                                    
                                    0.6%
                                 |