| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1987 | 
                                    
                                    19%
                                 | |
| 3 | 8402 | 
                                    
                                    80.4%
                                 | |
| 8 | 62 | 
                                    
                                    0.6%
                                 | |
| Sysmiss | 12 |