| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 768 | 
                                                                 
                                    
                                    17.8%
                                 
                                                             | 
                                                        
                    
| 2 | NO | 2727 | 
                                                                 
                                    
                                    63.3%
                                 
                                                             | 
                                                        
                    
| 9 | NO RESPONDE | 4 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 807 | 
                                                                 
                                    
                                    18.7%
                                 
                                                             |