| Value | Category | Cases | |
|---|---|---|---|
| 1 | Has functional difficulty | 2668 | 
                                    
                                    3.2%
                                 | 
| 2 | Has no functional difficulty | 79744 | 
                                    
                                    96.8%
                                 | 
| 9 | Missing | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 64 |