| Value | Category | Cases | |
|---|---|---|---|
| 1 | No, no difficulty | 44414 | 
                                    
                                    97.7%
                                 | 
| 2 | Yes, some difficulty | 949 | 
                                    
                                    2.1%
                                 | 
| 3 | Yes, a lot of difficulty | 79 | 
                                    
                                    0.2%
                                 | 
| 4 | Cannot do at all | 0 | 
                                    
                                    0%
                                 |