| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO DIFFICULTY | 13031 | 
                                                                 
                                    
                                    97.7%
                                 
                                                             | 
                                                        
                    
| 2 | YES, SOME DIFFICULTY | 247 | 
                                                                 
                                    
                                    1.9%
                                 
                                                             | 
                                                        
                    
| 3 | YES, A LOT OF DIFFICULTY | 52 | 
                                                                 
                                    
                                    0.4%
                                 
                                                             | 
                                                        
                    
| 4 | CANNOT PERFORM ACTIVITY AT ALL | 12 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             |