| Value | Category | Cases | |
|---|---|---|---|
| 1 | 6 | 
                                    
                                    2.6%
                                 | |
| 2 | 210 | 
                                    
                                    90.1%
                                 | |
| 3 | 7 | 
                                    
                                    3%
                                 | |
| 4 | 1 | 
                                    
                                    0.4%
                                 | |
| 6 | 7 | 
                                    
                                    3%
                                 | |
| 7 | 2 | 
                                    
                                    0.9%
                                 | |
| Sysmiss | 1416 |