| Value | Category | Cases | |
|---|---|---|---|
| N01 | 212 | 
                                    
                                    44.4%
                                 | |
| N02 | 167 | 
                                    
                                    35%
                                 | |
| N03 | 71 | 
                                    
                                    14.9%
                                 | |
| N04 | 19 | 
                                    
                                    4%
                                 | |
| N05 | 7 | 
                                    
                                    1.5%
                                 | |
| N06 | 1 | 
                                    
                                    0.2%
                                 |