| Value | Category | Cases | |
|---|---|---|---|
| 1 | Absolutely essential | 377 | 
                                    
                                    32%
                                 | 
| 2 | Important | 126 | 
                                    
                                    10.7%
                                 | 
| 3 | Not very important | 100 | 
                                    
                                    8.5%
                                 | 
| 4 | Not important at all | 265 | 
                                    
                                    22.5%
                                 | 
| 5 | Don't know | 306 | 
                                    
                                    26%
                                 | 
| 98 | Refused | 0 | 
                                    
                                    0%
                                 | 
| 99 | Missing data | 3 | 
                                    
                                    0.3%
                                 |