| Value | Category | Cases | |
|---|---|---|---|
| N1 | 1 | 
                                    
                                    6.3%
                                 | |
| N2 | 8 | 
                                    
                                    50%
                                 | |
| N3 | 3 | 
                                    
                                    18.8%
                                 | |
| N4 | 3 | 
                                    
                                    18.8%
                                 | |
| N5 | 1 | 
                                    
                                    6.3%
                                 |