| Value | Category | Cases | |
|---|---|---|---|
| 1 | Has functional difficulty | 143 | 
                                    
                                    2.6%
                                 | 
| 2 | Has no functional difficulty | 4645 | 
                                    
                                    84.8%
                                 | 
| 9 | No information | 666 | 
                                    
                                    12.2%
                                 | 
| Sysmiss | 25 | 
                                    
                                    0.5%
                                 |