| Value | Category | Cases | |
|---|---|---|---|
| 1 | First important | 636 | 
                                    
                                    64.6%
                                 | 
| 2 | Second important | 182 | 
                                    
                                    18.5%
                                 | 
| 3 | Third important | 25 | 
                                    
                                    2.5%
                                 | 
| 4 | NA | 141 | 
                                    
                                    14.3%
                                 |