| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 2497 | 
                                    
                                    30.4%
                                 | 
| 2 | NO | 4398 | 
                                    
                                    53.5%
                                 | 
| 9 | NO RESPONDE | 7 | 
                                    
                                    0.1%
                                 | 
| Sysmiss | 1315 | 
                                    
                                    16%
                                 |