| Value | Category | Cases | |
|---|---|---|---|
| 2 | 1 | 
                                    
                                    0.2%
                                 | |
| 5 | 598 | 
                                    
                                    99%
                                 | |
| 6 | 2 | 
                                    
                                    0.3%
                                 | |
| 7 | 2 | 
                                    
                                    0.3%
                                 | |
| 8 | 1 | 
                                    
                                    0.2%
                                 | |
| Sysmiss | 445 |