| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 21 | 
                                    
                                    1.5%
                                 | 
| 2 | NO | 35 | 
                                    
                                    2.6%
                                 | 
| 98 | NO RESPONDE | 3 | 
                                    
                                    0.2%
                                 | 
| Sysmiss | 1305 | 
                                    
                                    95.7%
                                 |