| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 8074 | 
                                    
                                    26.8%
                                 | 
| 2 | NO | 2397 | 
                                    
                                    7.9%
                                 | 
| 9 | NO RESPONDE | 7 | 
                                    
                                    0%
                                 | 
| Sysmiss | 19683 | 
                                    
                                    65.3%
                                 |