| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3 | 
                                    
                                    30%
                                 | |
| 1 | 4 | 
                                    
                                    40%
                                 | |
| 3 | 2 | 
                                    
                                    20%
                                 | |
| 14 | 1 | 
                                    
                                    10%
                                 | |
| Sysmiss | 1490 |