| Value | Category | Cases | |
|---|---|---|---|
| 0 | 80 | 
                                    
                                    34%
                                 | |
| 1 | 151 | 
                                    
                                    64.3%
                                 | |
| 2 | 1 | 
                                    
                                    0.4%
                                 | |
| 3 | 1 | 
                                    
                                    0.4%
                                 | |
| 7 | 2 | 
                                    
                                    0.9%
                                 | |
| Missing value | 3108 |