| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1425 | 
                                    
                                    88.7%
                                 | |
| 1 | 18 | 
                                    
                                    1.1%
                                 | |
| 2 | 32 | 
                                    
                                    2%
                                 | |
| 3 | 132 | 
                                    
                                    8.2%
                                 | |
| Sysmiss | 7868 |