| Value | Category | Cases | |
|---|---|---|---|
| 1 | Absolutely essential | 627 | 
                                    
                                    52.3%
                                 | 
| 2 | Important | 466 | 
                                    
                                    38.8%
                                 | 
| 3 | Not very important | 43 | 
                                    
                                    3.6%
                                 | 
| 4 | Not important at all | 16 | 
                                    
                                    1.3%
                                 | 
| 5 | Don't know | 31 | 
                                    
                                    2.6%
                                 | 
| 98 | Refused | 0 | 
                                    
                                    0%
                                 | 
| 99 | Missing data | 17 | 
                                    
                                    1.4%
                                 |