| Value | Category | Cases | |
|---|---|---|---|
| 1 | Absolutely essential | 404 | 
                                    
                                    33.7%
                                 | 
| 2 | Important | 463 | 
                                    
                                    38.6%
                                 | 
| 3 | Not very important | 166 | 
                                    
                                    13.8%
                                 | 
| 4 | Not important at all | 87 | 
                                    
                                    7.3%
                                 | 
| 5 | Don't know | 64 | 
                                    
                                    5.3%
                                 | 
| 98 | Refused | 0 | 
                                    
                                    0%
                                 | 
| 99 | Missing data | 16 | 
                                    
                                    1.3%
                                 |