| Value | Category | Cases | |
|---|---|---|---|
| 1 | Many problems | 18 | 
                                    
                                    1.9%
                                 | 
| 2 | Some problems | 34 | 
                                    
                                    3.6%
                                 | 
| 3 | Few problems | 69 | 
                                    
                                    7.4%
                                 | 
| 4 | No problems | 814 | 
                                    
                                    87.1%
                                 |