| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 15 | 
                                    
                                    0.2%
                                 | 
| 2 | NO | 1245 | 
                                    
                                    15.2%
                                 | 
| 9 | NO RESPONDE | 3 | 
                                    
                                    0%
                                 | 
| Sysmiss | 6954 | 
                                    
                                    84.6%
                                 |