| Value | Category | Cases | |
|---|---|---|---|
| 1 | Absolutely essential | 565 | 
                                    
                                    47.1%
                                 | 
| 2 | Important | 481 | 
                                    
                                    40.1%
                                 | 
| 3 | Not very important | 68 | 
                                    
                                    5.7%
                                 | 
| 4 | Not important at all | 28 | 
                                    
                                    2.3%
                                 | 
| 5 | Don't know | 42 | 
                                    
                                    3.5%
                                 | 
| 98 | Refused | 0 | 
                                    
                                    0%
                                 | 
| 99 | Missing data | 16 | 
                                    
                                    1.3%
                                 |