| Value | Category | Cases | |
|---|---|---|---|
| 0 | 379 | 
                                    
                                    80.1%
                                 | |
| 1 | 18 | 
                                    
                                    3.8%
                                 | |
| 2 | 76 | 
                                    
                                    16.1%
                                 | |
| Sysmiss | 8 |