| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 6101 | 
                                    
                                    60.4%
                                 | 
| 2 | NO | 2382 | 
                                    
                                    23.6%
                                 | 
| 9 | NO RESPONDE | 7 | 
                                    
                                    0.1%
                                 | 
| Sysmiss | 1603 | 
                                    
                                    15.9%
                                 |