| Value | Category | Cases | |
|---|---|---|---|
| -99 | 13 | 
                                    
                                    4.3%
                                 | |
| 1 | Not at all | 17 | 
                                    
                                    5.7%
                                 | 
| 2 | 28 | 
                                    
                                    9.3%
                                 | |
| 3 | 23 | 
                                    
                                    7.7%
                                 | |
| 4 | 26 | 
                                    
                                    8.7%
                                 | |
| 5 | 36 | 
                                    
                                    12%
                                 | |
| 6 | 28 | 
                                    
                                    9.3%
                                 | |
| 7 | 27 | 
                                    
                                    9%
                                 | |
| 8 | 25 | 
                                    
                                    8.3%
                                 | |
| 9 | 25 | 
                                    
                                    8.3%
                                 | |
| 10 | Very much | 30 | 
                                    
                                    10%
                                 | 
| 11 | Don't know | 22 | 
                                    
                                    7.3%
                                 | 
| Sysmiss | 26 |