| Value | Category | Cases | |
|---|---|---|---|
| 1 | 21 | 
                                    
                                    55.3%
                                 | |
| 2 | 13 | 
                                    
                                    34.2%
                                 | |
| 3 | 2 | 
                                    
                                    5.3%
                                 | |
| 4 | 1 | 
                                    
                                    2.6%
                                 | |
| 10 | 1 | 
                                    
                                    2.6%
                                 | |
| Sysmiss | 19708 |