| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3927 | 
                                    
                                    89.2%
                                 | |
| 1 | 442 | 
                                    
                                    10%
                                 | |
| 2 | 25 | 
                                    
                                    0.6%
                                 | |
| 3 | 8 | 
                                    
                                    0.2%
                                 | |
| 5 | 2 | 
                                    
                                    0%
                                 | |
| Sysmiss | 15353 |