| Value | Category | Cases | |
|---|---|---|---|
| 1 | 830 | 
                                    
                                    86.6%
                                 | |
| 2 | 110 | 
                                    
                                    11.5%
                                 | |
| 3 | 14 | 
                                    
                                    1.5%
                                 | |
| 4 | 4 | 
                                    
                                    0.4%
                                 | |
| Sysmiss | 143 |