| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 1243 | 
                                    
                                    15.1%
                                 | 
| 2 | NO | 22 | 
                                    
                                    0.3%
                                 | 
| 9 | NO RESPONDE | 1 | 
                                    
                                    0%
                                 | 
| Sysmiss | 6951 | 
                                    
                                    84.6%
                                 |