| Value | Category | Cases | |
|---|---|---|---|
| Absolutely essential | 20 | 
                                                                 
                                    
                                    51.3%
                                 
                                                             | 
                                                        
                    |
| Not at all important | 2 | 
                                                                 
                                    
                                    5.1%
                                 
                                                             | 
                                                        
                    |
| Very important | 3 | 
                                                                 
                                    
                                    7.7%
                                 
                                                             | 
                                                        
                    |
| 14 | 
                                                                 
                                    
                                    35.9%
                                 
                                                             |