| Value | Category | Cases | |
|---|---|---|---|
| 1 | Specify | 15 | 
                                    
                                    0.2%
                                 | 
| 3 | Same | 8547 | 
                                    
                                    98.7%
                                 | 
| 8 | DK | 97 | 
                                    
                                    1.1%
                                 | 
| Sysmiss | 16285 |