| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3820 | 
                                    
                                    99.1%
                                 | |
| 1 | 30 | 
                                    
                                    0.8%
                                 | |
| 2 | 2 | 
                                    
                                    0.1%
                                 | |
| 6 | 1 | 
                                    
                                    0%
                                 | |
| Sysmiss | 40 |