| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 5727 | 
                                    
                                    19%
                                 | 
| 2 | NO | 4020 | 
                                    
                                    13.3%
                                 | 
| 9 | NO RESPONDE | 8 | 
                                    
                                    0%
                                 | 
| Sysmiss | 20406 | 
                                    
                                    67.7%
                                 |