| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 1035 | 
                                                                 
                                    
                                    11.6%
                                 
                                                             | 
                                                        
                    
| 2 | NO | 3103 | 
                                                                 
                                    
                                    34.7%
                                 
                                                             | 
                                                        
                    
| 9 | NO RESPONDE | 4 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 4800 | 
                                                                 
                                    
                                    53.7%
                                 
                                                             |