| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | yes | 222 | 255 | 
                                    
                                    7.7%
                                 | 
| 2 | no | 136 | 177 | 
                                    
                                    5.4%
                                 | 
| 8 | Non applicable | 364 | 486 | |
| Sysmiss | 1806 | 2378 |