| Value | Category | Cases | |
|---|---|---|---|
| 0 | 33 | 
                                    
                                    76.7%
                                 | |
| 3 | 2 | 
                                    
                                    4.7%
                                 | |
| 4 | 1 | 
                                    
                                    2.3%
                                 | |
| 7 | 1 | 
                                    
                                    2.3%
                                 | |
| 8 | 1 | 
                                    
                                    2.3%
                                 | |
| 10 | 1 | 
                                    
                                    2.3%
                                 | |
| 12 | 4 | 
                                    
                                    9.3%
                                 | |
| Sysmiss | 38 |