| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Very important | 2013 | 2004 | 
                                    
                                    66.7%
                                 | 
| 2 | Important | 679 | 701 | 
                                    
                                    23.3%
                                 | 
| 3 | Of little/less importance | 170 | 171 | 
                                    
                                    5.7%
                                 | 
| 4 | Completely unimportant | 91 | 85 | 
                                    
                                    2.8%
                                 | 
| 9 | DK | 52 | 44 | 
                                    
                                    1.5%
                                 |