| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 3405 | 
                                    
                                    33.7%
                                 | 
| 2 | NO | 5082 | 
                                    
                                    50.4%
                                 | 
| 9 | NO RESPONDE | 3 | 
                                    
                                    0%
                                 | 
| Sysmiss | 1603 | 
                                    
                                    15.9%
                                 |