| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 3309 | 
                                                                 
                                    
                                    26.5%
                                 
                                                             | 
                                                        
                    
| 2 | NO | 8651 | 
                                                                 
                                    
                                    69.3%
                                 
                                                             | 
                                                        
                    
| 9 | NO RESPONDE | 6 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 514 | 
                                                                 
                                    
                                    4.1%
                                 
                                                             |