| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO DIFFICULTY | 737 | 
                                    
                                    84.6%
                                 | 
| 2 | SOME DIFFICULTY | 95 | 
                                    
                                    10.9%
                                 | 
| 3 | A LOT OF DIFFICULTY | 28 | 
                                    
                                    3.2%
                                 | 
| 4 | IT IS IMPOSSIBLE TO CARRY OUT THE ACTIVITY | 11 | 
                                    
                                    1.3%
                                 |