| Value | Category | Cases | |
|---|---|---|---|
| Not applicable | 3 | 
                                                                 
                                    
                                    8.3%
                                 
                                                             | 
                                                        
                    |
| Only occasional / a little impact | 1 | 
                                                                 
                                    
                                    2.8%
                                 
                                                             | 
                                                        
                    |
| 32 | 
                                                                 
                                    
                                    88.9%
                                 
                                                             |