| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 13 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    
| 2 | NO | 3687 | 
                                                                 
                                    
                                    96.8%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 109 | 
                                                                 
                                    
                                    2.9%
                                 
                                                             |