| Value | Category | Cases | |
|---|---|---|---|
| 1 | 30 | 
                                    
                                    14.2%
                                 | |
| 2 | 12 | 
                                    
                                    5.7%
                                 | |
| 3 | 170 | 
                                    
                                    80.2%
                                 | |
| Sysmiss | 960 |