| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 26 | 
                                    
                                    0.7%
                                 | 
| 2 | NO | 2279 | 
                                    
                                    60.7%
                                 | 
| 9 | NO RESPONDE | 1 | 
                                    
                                    0%
                                 | 
| Sysmiss | 1451 | 
                                    
                                    38.6%
                                 |