| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 26401 | 
                                    
                                    87.5%
                                 | 
| 2 | NO | 1528 | 
                                    
                                    5.1%
                                 | 
| 9 | NO RESPONDE | 75 | 
                                    
                                    0.2%
                                 | 
| Sysmiss | 2157 | 
                                    
                                    7.2%
                                 |