| Value | Category | Cases | |
|---|---|---|---|
| 0 | 210 | 
                                    
                                    86.1%
                                 | |
| 3 | 4 | 
                                    
                                    1.6%
                                 | |
| 6 | 18 | 
                                    
                                    7.4%
                                 | |
| 7 | 6 | 
                                    
                                    2.5%
                                 | |
| 8 | 2 | 
                                    
                                    0.8%
                                 | |
| 9 | 2 | 
                                    
                                    0.8%
                                 | |
| 10 | 2 | 
                                    
                                    0.8%
                                 | |
| Sysmiss | 552 |