| Value | Category | Cases | |
|---|---|---|---|
| -99 | 10 | 
                                    
                                    3.3%
                                 | |
| 1 | Not at all | 21 | 
                                    
                                    7%
                                 | 
| 2 | 17 | 
                                    
                                    5.7%
                                 | |
| 3 | 34 | 
                                    
                                    11.4%
                                 | |
| 4 | 33 | 
                                    
                                    11%
                                 | |
| 5 | 40 | 
                                    
                                    13.4%
                                 | |
| 6 | 25 | 
                                    
                                    8.4%
                                 | |
| 7 | 30 | 
                                    
                                    10%
                                 | |
| 8 | 21 | 
                                    
                                    7%
                                 | |
| 9 | 15 | 
                                    
                                    5%
                                 | |
| 10 | Very much | 23 | 
                                    
                                    7.7%
                                 | 
| 11 | Don't know | 30 | 
                                    
                                    10%
                                 | 
| Sysmiss | 27 |