| Value | Category | Cases | |
|---|---|---|---|
| 1 | Has functional difficulty | 911 | 
                                    
                                    5.8%
                                 | 
| 2 | Has no functional difficulty | 12365 | 
                                    
                                    79.2%
                                 | 
| 7 | No information | 2337 | 
                                    
                                    15%
                                 |