| Value | Category | Cases | |
|---|---|---|---|
| 1 | oui | 19 | 
                                    
                                    1.9%
                                 | 
| 2 | nsp | 1 | 
                                    
                                    0.1%
                                 | 
| 3 | non | 401 | 
                                    
                                    39.5%
                                 | 
| 9 | nr | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 594 | 
                                    
                                    58.5%
                                 |