| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 1 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    
| -1 | Don't know | 3 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    
| 1 | Often | 69 | 
                                                                 
                                    
                                    6.9%
                                 
                                                             | 
                                                        
                    
| 2 | Sometimes | 110 | 
                                                                 
                                    
                                    11%
                                 
                                                             | 
                                                        
                    
| 3 | Rarely | 136 | 
                                                                 
                                    
                                    13.6%
                                 
                                                             | 
                                                        
                    
| 4 | Never | 681 | 
                                                                 
                                    
                                    68.1%
                                 
                                                             |