| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 
                                    
                                    1.5%
                                 | |
| 2 | 19 | 
                                    
                                    29.2%
                                 | |
| 3 | 40 | 
                                    
                                    61.5%
                                 | |
| 4 | 3 | 
                                    
                                    4.6%
                                 | |
| 6 | 2 | 
                                    
                                    3.1%
                                 | |
| Sysmiss | 1107 |