| Value | Category | Cases | |
|---|---|---|---|
| 1 | 35 | 
                                    
                                    6.7%
                                 | |
| 2 | 27 | 
                                    
                                    5.2%
                                 | |
| 3 | 461 | 
                                    
                                    88.1%
                                 | |
| Sysmiss | 273 |