| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very easy | 37 | 
                                    
                                    6.3%
                                 | 
| 2 | Easy | 482 | 
                                    
                                    82.1%
                                 | 
| 3 | Difficult | 56 | 
                                    
                                    9.5%
                                 | 
| 4 | Very difficult | 9 | 
                                    
                                    1.5%
                                 | 
| 5 | Respondent is not the one who registers | 3 | 
                                    
                                    0.5%
                                 | 
| Sysmiss | 225 |