| Value | Category | Cases | |
|---|---|---|---|
| 0 | 197 | 
                                    
                                    49.6%
                                 | |
| 1 | 115 | 
                                    
                                    29%
                                 | |
| 2 | 85 | 
                                    
                                    21.4%
                                 | |
| Sysmiss | 3 |