| Value | Category | Cases | |
|---|---|---|---|
| 0 | 30 | 
                                    
                                    76.9%
                                 | |
| 1 | 3 | 
                                    
                                    7.7%
                                 | |
| 2 | 2 | 
                                    
                                    5.1%
                                 | |
| 3 | 1 | 
                                    
                                    2.6%
                                 | |
| 4 | 1 | 
                                    
                                    2.6%
                                 | |
| 7 | 1 | 
                                    
                                    2.6%
                                 | |
| 66 | 1 | 
                                    
                                    2.6%
                                 | |
| Sysmiss | 33 |