| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 1623 | 
                                    
                                    43.2%
                                 | 
| 2 | NO | 1388 | 
                                    
                                    36.9%
                                 | 
| 9 | NO RESPONDE | 1 | 
                                    
                                    0%
                                 | 
| Sysmiss | 745 | 
                                    
                                    19.8%
                                 |