| Value | Category | Cases | |
|---|---|---|---|
| N01 | 40 | 
                                    
                                    28.4%
                                 | |
| N02 | 50 | 
                                    
                                    35.5%
                                 | |
| N03 | 29 | 
                                    
                                    20.6%
                                 | |
| N04 | 15 | 
                                    
                                    10.6%
                                 | |
| N05 | 7 | 
                                    
                                    5%
                                 |