| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 20 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    
| 2 | NO | 8817 | 
                                                                 
                                    
                                    98.6%
                                 
                                                             | 
                                                        
                    
| 9 | NO RESPONDE | 12 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 93 | 
                                                                 
                                    
                                    1%
                                 
                                                             |