| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 1030 | 
                                                                 
                                    
                                    19.5%
                                 
                                                             | 
                                                        
                    
| 2 | NO | 3440 | 
                                                                 
                                    
                                    65.3%
                                 
                                                             | 
                                                        
                    
| 9 | NO RESPONDE | 8 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 792 | 
                                                                 
                                    
                                    15%
                                 
                                                             |