| Value | Category | Cases | |
|---|---|---|---|
| 1 | 4 | 
                                    
                                    3.5%
                                 | |
| 2 | 3 | 
                                    
                                    2.7%
                                 | |
| 3 | 18 | 
                                    
                                    15.9%
                                 | |
| 4 | 23 | 
                                    
                                    20.4%
                                 | |
| 5 | 56 | 
                                    
                                    49.6%
                                 | |
| 6 | 2 | 
                                    
                                    1.8%
                                 | |
| 8 | 7 | 
                                    
                                    6.2%
                                 | |
| Sysmiss | 28 |