| Value | Category | Cases | |
|---|---|---|---|
| 1 | 20 | 
                                    
                                    0.5%
                                 | |
| 2 | 531 | 
                                    
                                    13.8%
                                 | |
| 3 | 720 | 
                                    
                                    18.7%
                                 | |
| 4 | 761 | 
                                    
                                    19.7%
                                 | |
| 5 | 814 | 
                                    
                                    21.1%
                                 | |
| 6 | 682 | 
                                    
                                    17.7%
                                 | |
| 7 | 222 | 
                                    
                                    5.8%
                                 | |
| 8 | 108 | 
                                    
                                    2.8%
                                 | |
| Sysmiss | 1 |