| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 1954 | 
                                    
                                    55.2%
                                 | 
| 2 | yes but not well | 647 | 
                                    
                                    18.3%
                                 | 
| 3 | no | 938 | 
                                    
                                    26.5%
                                 | 
| Sysmiss | 16 |