| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 5698 | 
                                    
                                    56.5%
                                 | 
| 2 | NO | 2788 | 
                                    
                                    27.6%
                                 | 
| 9 | NO RESPONDE | 4 | 
                                    
                                    0%
                                 | 
| Sysmiss | 1603 | 
                                    
                                    15.9%
                                 |