| Value | Category | Cases | |
|---|---|---|---|
| 0 | 44 | 
                                    
                                    21.6%
                                 | |
| 1 | 129 | 
                                    
                                    63.2%
                                 | |
| 2 | 24 | 
                                    
                                    11.8%
                                 | |
| 3 | 3 | 
                                    
                                    1.5%
                                 | |
| 4 | 1 | 
                                    
                                    0.5%
                                 | |
| 5 | 2 | 
                                    
                                    1%
                                 | |
| 10 | 1 | 
                                    
                                    0.5%
                                 | |
| Sysmiss | 139 |