| Value | Category | Cases | |
|---|---|---|---|
| 1 | 361 | 
                                    
                                    1.8%
                                 | |
| 2 | 840 | 
                                    
                                    4.3%
                                 | |
| 3 | 4132 | 
                                    
                                    20.9%
                                 | |
| 4 | 14420 | 
                                    
                                    73%
                                 | |
| Sysmiss | 2 |