| Value | Category | Cases | |
|---|---|---|---|
| -1 | -1. TOO YOUNG TO DETERMINE | 523 | 
                                                                 
                                    
                                    2%
                                 
                                                             | 
                                                        
                    
| 1 | 1. No, no difficulty | 25417 | 
                                                                 
                                    
                                    95.7%
                                 
                                                             | 
                                                        
                    
| 2 | 2. Yes, some | 415 | 
                                                                 
                                    
                                    1.6%
                                 
                                                             | 
                                                        
                    
| 3 | 3. Yes, a lot | 108 | 
                                                                 
                                    
                                    0.4%
                                 
                                                             | 
                                                        
                    
| 4 | 4. Cannot do | 93 | 
                                                                 
                                    
                                    0.4%
                                 
                                                             |