| Value | Category | Cases | |
|---|---|---|---|
| 1 | 632 | 
                                    
                                    81.5%
                                 | |
| 2 | 122 | 
                                    
                                    15.7%
                                 | |
| 3 | 19 | 
                                    
                                    2.5%
                                 | |
| 4 | 2 | 
                                    
                                    0.3%
                                 | |
| Sysmiss | 21 |