| Value | Category | Cases | |
|---|---|---|---|
| 1 | Has functional difficulty | 121 | 
                                    
                                    0.8%
                                 | 
| 2 | Has no functional difficulty | 3606 | 
                                    
                                    23.1%
                                 | 
| 9 | No information | 11908 | 
                                    
                                    76.2%
                                 |