| Value | Category | Cases | |
|---|---|---|---|
| 1 | 137 | 
                                    
                                    12.9%
                                 | |
| 2 | 260 | 
                                    
                                    24.6%
                                 | |
| 3 | 179 | 
                                    
                                    16.9%
                                 | |
| 4 | 482 | 
                                    
                                    45.6%
                                 | |
| Sysmiss | 408 |