| Value | Category | Cases | |
|---|---|---|---|
| 1 | 653 | 
                                    
                                    82.8%
                                 | |
| 2 | 118 | 
                                    
                                    15%
                                 | |
| 3 | 16 | 
                                    
                                    2%
                                 | |
| 4 | 2 | 
                                    
                                    0.3%
                                 | |
| Sysmiss | 7 |