| Value | Category | Cases | |
|---|---|---|---|
| 0 | 30 | 
                                    
                                    76.9%
                                 | |
| 1 | 5 | 
                                    
                                    12.8%
                                 | |
| 3 | 1 | 
                                    
                                    2.6%
                                 | |
| 8 | 1 | 
                                    
                                    2.6%
                                 | |
| 27 | 1 | 
                                    
                                    2.6%
                                 | |
| 31 | 1 | 
                                    
                                    2.6%
                                 | |
| Sysmiss | 33 |