| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 2 | 
                                    
                                    0.2%
                                 | 
| 1 | Often | 8 | 
                                    
                                    0.8%
                                 | 
| 2 | Sometimes | 24 | 
                                    
                                    2.4%
                                 | 
| 3 | Rarely | 61 | 
                                    
                                    6.1%
                                 | 
| 4 | Never | 909 | 
                                    
                                    90.5%
                                 |