| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1277 | 
                                    
                                    6.5%
                                 | |
| 2 | 2083 | 
                                    
                                    10.6%
                                 | |
| 3 | 2871 | 
                                    
                                    14.5%
                                 | |
| 4 | 13502 | 
                                    
                                    68.4%
                                 | |
| Sysmiss | 22 |