| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 305 | 
                                    
                                    3%
                                 | 
| 2 | NO | 8158 | 
                                    
                                    80.8%
                                 | 
| 9 | NO RESPONDE | 11 | 
                                    
                                    0.1%
                                 | 
| Sysmiss | 1619 | 
                                    
                                    16%
                                 |