| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 8112 | 
                                    
                                    80.4%
                                 | 
| 2 | NO | 329 | 
                                    
                                    3.3%
                                 | 
| 9 | NO RESPONDE | 2 | 
                                    
                                    0%
                                 | 
| Sysmiss | 1650 | 
                                    
                                    16.3%
                                 |