| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 170 | 
                                                                 
                                    
                                    3.9%
                                 
                                                             | 
                                                        
                    
| 2 | NO | 3324 | 
                                                                 
                                    
                                    77.2%
                                 
                                                             | 
                                                        
                    
| 9 | NO RESPONDE | 5 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 807 | 
                                                                 
                                    
                                    18.7%
                                 
                                                             |