| Value | Category | Cases | |
|---|---|---|---|
| -99 | 5 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 1 | To no degree at all | 2 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    
| 2 | 6 | 
                                                                 
                                    
                                    1.5%
                                 
                                                             | 
                                                        
                    |
| 3 | 18 | 
                                                                 
                                    
                                    4.6%
                                 
                                                             | 
                                                        
                    |
| 4 | 14 | 
                                                                 
                                    
                                    3.6%
                                 
                                                             | 
                                                        
                    |
| 5 | 34 | 
                                                                 
                                    
                                    8.7%
                                 
                                                             | 
                                                        
                    |
| 6 | 46 | 
                                                                 
                                    
                                    11.8%
                                 
                                                             | 
                                                        
                    |
| 7 | 49 | 
                                                                 
                                    
                                    12.6%
                                 
                                                             | 
                                                        
                    |
| 8 | 55 | 
                                                                 
                                    
                                    14.1%
                                 
                                                             | 
                                                        
                    |
| 9 | 21 | 
                                                                 
                                    
                                    5.4%
                                 
                                                             | 
                                                        
                    |
| 10 | To a very significant degree | 30 | 
                                                                 
                                    
                                    7.7%
                                 
                                                             | 
                                                        
                    
| 11 | Don't know | 109 | 
                                                                 
                                    
                                    28%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 18 |