| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 346 | 
                                    
                                    4.2%
                                 | 
| 2 | NO | 887 | 
                                    
                                    10.8%
                                 | 
| 9 | NO RESPONDE | 1 | 
                                    
                                    0%
                                 | 
| Sysmiss | 6983 | 
                                    
                                    85%
                                 |