| Value | Category | Cases | |
|---|---|---|---|
| N01 | 985 | 
                                    
                                    73.6%
                                 | |
| N02 | 216 | 
                                    
                                    16.1%
                                 | |
| N03 | 69 | 
                                    
                                    5.2%
                                 | |
| N04 | 49 | 
                                    
                                    3.7%
                                 | |
| N05 | 11 | 
                                    
                                    0.8%
                                 | |
| N06 | 8 | 
                                    
                                    0.6%
                                 | |
| N07 | 1 | 
                                    
                                    0.1%
                                 |