| Value | Category | Cases | |
|---|---|---|---|
| 1 | 2177 | 
                                    
                                    23.5%
                                 | |
| 2 | 266 | 
                                    
                                    2.9%
                                 | |
| 3 | 342 | 
                                    
                                    3.7%
                                 | |
| 4 | 6464 | 
                                    
                                    69.9%
                                 | |
| Sysmiss | 58 |