| Value | Category | Cases | |
|---|---|---|---|
| 1 | Has functional difficulty | 28 | 
                                    
                                    1.8%
                                 | 
| 2 | Has no functional difficulty | 1470 | 
                                    
                                    94%
                                 | 
| 9 | No information | 66 | 
                                    
                                    4.2%
                                 |