| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 2 | 
                                    
                                    0.5%
                                 | 
| 2 | NO | 367 | 
                                    
                                    91.5%
                                 | 
| Sysmiss | 32 | 
                                    
                                    8%
                                 |