| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 514 | 
                                                                 
                                    
                                    13.5%
                                 
                                                             | 
                                                        
                    
| 2 | NO | 879 | 
                                                                 
                                    
                                    23.1%
                                 
                                                             | 
                                                        
                    
| 9 | NO RESPONDE | 2 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 2414 | 
                                                                 
                                    
                                    63.4%
                                 
                                                             |