| Value | Category | Cases | |
|---|---|---|---|
| 0 | 35 | 
                                    
                                    26.5%
                                 | |
| 1 | 65 | 
                                    
                                    49.2%
                                 | |
| 4 | 28 | 
                                    
                                    21.2%
                                 | |
| 7 | 4 | 
                                    
                                    3%
                                 | |
| Missing value | 3211 |