| Value | Category | Cases | |
|---|---|---|---|
| -99 | Refused to answer | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| -88 | Not provided | 1 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    
| -77 | Not applicable | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| -66 | Do not know | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| -44 | 517 | 
                                                                 
                                    
                                    66.2%
                                 
                                                             | 
                                                        
                    |
| 1 | No obstacle | 63 | 
                                                                 
                                    
                                    8.1%
                                 
                                                             | 
                                                        
                    
| 2 | Minor obstacle | 71 | 
                                                                 
                                    
                                    9.1%
                                 
                                                             | 
                                                        
                    
| 3 | Moderate obstacle | 64 | 
                                                                 
                                    
                                    8.2%
                                 
                                                             | 
                                                        
                    
| 4 | Major obstacle | 46 | 
                                                                 
                                    
                                    5.9%
                                 
                                                             | 
                                                        
                    
| 5 | Very severe obstacle | 19 | 
                                                                 
                                    
                                    2.4%
                                 
                                                             |