| Value | Category | Cases | |
|---|---|---|---|
| 0 | 34 | 
                                    
                                    82.9%
                                 | |
| 2 | 1 | 
                                    
                                    2.4%
                                 | |
| 3 | 1 | 
                                    
                                    2.4%
                                 | |
| 8 | 1 | 
                                    
                                    2.4%
                                 | |
| 10 | 1 | 
                                    
                                    2.4%
                                 | |
| 12 | 3 | 
                                    
                                    7.3%
                                 | |
| Sysmiss | 1 |