| Value | Category | Cases | |
|---|---|---|---|
| 1 | 978 | 
                                    
                                    21.9%
                                 | |
| 3 | 3409 | 
                                    
                                    76.3%
                                 | |
| 8 | 83 | 
                                    
                                    1.9%
                                 | |
| Sysmiss | 10176 |