| Value | Category | Cases | |
|---|---|---|---|
| 1 | 165 | 
                                    
                                    15.6%
                                 | |
| 2 | 305 | 
                                    
                                    28.9%
                                 | |
| 3 | 269 | 
                                    
                                    25.4%
                                 | |
| 4 | 318 | 
                                    
                                    30.1%
                                 | |
| Sysmiss | 409 |