| Value | Category | Cases | |
|---|---|---|---|
| 0 | 14 | 
                                    
                                    70%
                                 | |
| 2 | 1 | 
                                    
                                    5%
                                 | |
| 3 | 1 | 
                                    
                                    5%
                                 | |
| 5 | 4 | 
                                    
                                    20%
                                 | |
| Sysmiss | 79 |