| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very easy | 33 | 
                                    
                                    5.6%
                                 | 
| 2 | Easy | 516 | 
                                    
                                    87.9%
                                 | 
| 3 | Difficult | 33 | 
                                    
                                    5.6%
                                 | 
| 4 | Very difficult | 2 | 
                                    
                                    0.3%
                                 | 
| 5 | Respondent is not the one who registers | 3 | 
                                    
                                    0.5%
                                 | 
| Sysmiss | 225 |