| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 196 | 
                                    
                                    4.8%
                                 | 
| 2 | NO | 3773 | 
                                    
                                    91.5%
                                 | 
| 9 | NO RESPONDE | 2 | 
                                    
                                    0%
                                 | 
| Sysmiss | 151 | 
                                    
                                    3.7%
                                 |