| Value | Category | Cases | |
|---|---|---|---|
| 1 | Absolutely essential | 551 | 
                                    
                                    45.9%
                                 | 
| 2 | Important | 440 | 
                                    
                                    36.7%
                                 | 
| 3 | Not very important | 109 | 
                                    
                                    9.1%
                                 | 
| 4 | Not important at all | 47 | 
                                    
                                    3.9%
                                 | 
| 5 | Don't know | 38 | 
                                    
                                    3.2%
                                 | 
| 98 | Refused | 0 | 
                                    
                                    0%
                                 | 
| 99 | Missing data | 15 | 
                                    
                                    1.3%
                                 |