| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 
                                    
                                    3.3%
                                 | |
| 3 | 7 | 
                                    
                                    23.3%
                                 | |
| 4 | 14 | 
                                    
                                    46.7%
                                 | |
| 5 | 2 | 
                                    
                                    6.7%
                                 | |
| 6 | 4 | 
                                    
                                    13.3%
                                 | |
| 9 | 1 | 
                                    
                                    3.3%
                                 | |
| 11 | 1 | 
                                    
                                    3.3%
                                 | |
| Sysmiss | 1921 |