| Value | Category | Cases | |
|---|---|---|---|
| 0 | 27 | 
                                    
                                    54%
                                 | |
| 1 | 12 | 
                                    
                                    24%
                                 | |
| 2 | 5 | 
                                    
                                    10%
                                 | |
| 3 | 1 | 
                                    
                                    2%
                                 | |
| 4 | 3 | 
                                    
                                    6%
                                 | |
| 9 | 1 | 
                                    
                                    2%
                                 | |
| 10 | 1 | 
                                    
                                    2%
                                 | |
| Sysmiss | 1450 |