| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 444 | 
                                    
                                    3.1%
                                 | 
| 2 | NO | 357 | 
                                    
                                    2.5%
                                 | 
| Sysmiss | 13496 | 
                                    
                                    94.4%
                                 |