| Value | Category | Cases | |
|---|---|---|---|
| 1 | 253 | 
                                    
                                    65.9%
                                 | |
| 2 | 122 | 
                                    
                                    31.8%
                                 | |
| 3 | 5 | 
                                    
                                    1.3%
                                 | |
| 4 | 2 | 
                                    
                                    0.5%
                                 | |
| 5 | 1 | 
                                    
                                    0.3%
                                 | |
| 7 | 1 | 
                                    
                                    0.3%
                                 | |
| Sysmiss | 1215 |