| Value | Category | Cases | |
|---|---|---|---|
| 1 | Cannot read at all | 402 | 
                                                                 
                                    
                                    29.5%
                                 
                                                             | 
                                                        
                    
| 2 | Able to read only parts of sentence | 220 | 
                                                                 
                                    
                                    16.1%
                                 
                                                             | 
                                                        
                    
| 3 | Able to read whole sentence | 688 | 
                                                                 
                                    
                                    50.4%
                                 
                                                             | 
                                                        
                    
| 4 | No sentence in required language / braille | 37 | 
                                                                 
                                    
                                    2.7%
                                 
                                                             | 
                                                        
                    
| 9 | No response | 18 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 7168 |