| Value | Category | Cases | |
|---|---|---|---|
| -99 | 3 | 
                                    
                                    2.2%
                                 | |
| 1 | Not at all | 3 | 
                                    
                                    2.2%
                                 | 
| 2 | 4 | 
                                    
                                    3%
                                 | |
| 3 | 11 | 
                                    
                                    8.2%
                                 | |
| 4 | 8 | 
                                    
                                    6%
                                 | |
| 5 | 21 | 
                                    
                                    15.7%
                                 | |
| 6 | 11 | 
                                    
                                    8.2%
                                 | |
| 7 | 16 | 
                                    
                                    11.9%
                                 | |
| 8 | 13 | 
                                    
                                    9.7%
                                 | |
| 9 | 18 | 
                                    
                                    13.4%
                                 | |
| 10 | Very much | 24 | 
                                    
                                    17.9%
                                 | 
| 11 | Don't know | 2 | 
                                    
                                    1.5%
                                 |