| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 11 | 
                                                                 
                                    
                                    0.8%
                                 
                                                             | 
                                                        
                    
| 2 | NO | 340 | 
                                                                 
                                    
                                    25.5%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 984 | 
                                                                 
                                    
                                    73.7%
                                 
                                                             |