| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very badly | 643 | 
                                    
                                    27%
                                 | 
| 2 | Fairly badly | 600 | 
                                    
                                    25.2%
                                 | 
| 3 | Fairly well | 735 | 
                                    
                                    30.9%
                                 | 
| 4 | Very well | 402 | 
                                    
                                    16.9%
                                 | 
| Sysmiss | 1170 |