| Value | Category | Cases | |
|---|---|---|---|
| 1 | 443 | 
                                    
                                    53.8%
                                 | |
| 2 | 214 | 
                                    
                                    26%
                                 | |
| 3 | 147 | 
                                    
                                    17.8%
                                 | |
| 4 | 2 | 
                                    
                                    0.2%
                                 | |
| 8 | 18 | 
                                    
                                    2.2%
                                 | |
| Sysmiss | 1021 |