| Value | Category | Cases | |
|---|---|---|---|
| N01 | 15 | 
                                    
                                    26.8%
                                 | |
| N02 | 20 | 
                                    
                                    35.7%
                                 | |
| N03 | 14 | 
                                    
                                    25%
                                 | |
| N04 | 4 | 
                                    
                                    7.1%
                                 | |
| N05 | 2 | 
                                    
                                    3.6%
                                 | |
| N06 | 1 | 
                                    
                                    1.8%
                                 |