| Value | Category | Cases | |
|---|---|---|---|
| 1 | 21 | 
                                    
                                    13.4%
                                 | |
| 2 | 129 | 
                                    
                                    82.2%
                                 | |
| 3 | 1 | 
                                    
                                    0.6%
                                 | |
| 4 | 5 | 
                                    
                                    3.2%
                                 | |
| 8 | 1 | 
                                    
                                    0.6%
                                 | |
| Sysmiss | 1722 |