| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO, NO DIFFICULTY | 3938 | 
                                    
                                    99.4%
                                 | 
| 2 | NO, NO DIFFICULTIES WITH ASSISTIVE DEVICE | 0 | 
                                    
                                    0%
                                 | 
| 3 | YES, SOME DIFFICULTY | 11 | 
                                    
                                    0.3%
                                 | 
| 4 | YES, A LOT OF DIFFICULTY | 11 | 
                                    
                                    0.3%
                                 | 
| 5 | CANNOT PERFORM | 3 | 
                                    
                                    0.1%
                                 | 
| Sysmiss | 779 |