| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very easy | 157 | 
                                    
                                    17.2%
                                 | 
| 2 | Easy | 649 | 
                                    
                                    71.2%
                                 | 
| 3 | Difficult | 42 | 
                                    
                                    4.6%
                                 | 
| 4 | Very difficult | 0 | 
                                    
                                    0%
                                 | 
| 5 | Respondent is not the one who registers | 64 | 
                                    
                                    7%
                                 | 
| Sysmiss | 397 |