| Value | Category | Cases | |
|---|---|---|---|
| 1 | 3748 | 
                                    
                                    40.7%
                                 | |
| 2 | 4684 | 
                                    
                                    50.8%
                                 | |
| 3 | 746 | 
                                    
                                    8.1%
                                 | |
| 4 | 42 | 
                                    
                                    0.5%
                                 | |
| Sysmiss | 850 |