| Value | Category | Cases | |
|---|---|---|---|
| 1 | SI | 311 | 
                                    
                                    69.9%
                                 | 
| 2 | NO | 12 | 
                                    
                                    2.7%
                                 | 
| Sysmiss | 122 | 
                                    
                                    27.4%
                                 |