| Value | Category | Cases | |
|---|---|---|---|
| 1 | 12 | 
                                    
                                    15%
                                 | |
| 2 | 40 | 
                                    
                                    50%
                                 | |
| 3 | 28 | 
                                    
                                    35%
                                 | |
| Sysmiss | 61 |