| Value | Category | Cases | |
|---|---|---|---|
| N01 | 39 | 
                                    
                                    23.9%
                                 | |
| N02 | 63 | 
                                    
                                    38.7%
                                 | |
| N03 | 28 | 
                                    
                                    17.2%
                                 | |
| N04 | 20 | 
                                    
                                    12.3%
                                 | |
| N05 | 10 | 
                                    
                                    6.1%
                                 | |
| N06 | 3 | 
                                    
                                    1.8%
                                 |