| Value | Category | Cases | |
|---|---|---|---|
| 1 | Absolutely essential | 688 | 
                                                                 
                                    
                                    57.4%
                                 
                                                             | 
                                                        
                    
| 2 | Important | 402 | 
                                                                 
                                    
                                    33.6%
                                 
                                                             | 
                                                        
                    
| 3 | Not very important | 40 | 
                                                                 
                                    
                                    3.3%
                                 
                                                             | 
                                                        
                    
| 4 | Not important at all | 9 | 
                                                                 
                                    
                                    0.8%
                                 
                                                             | 
                                                        
                    
| 5 | Don't know | 43 | 
                                                                 
                                    
                                    3.6%
                                 
                                                             | 
                                                        
                    
| 98 | Refused | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 99 | Missing data | 16 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             |