| Value | Category | Cases | |
|---|---|---|---|
| 1 | Always or almost always | 13439 | 
                                    
                                    4.3%
                                 | 
| 2 | Often | 23584 | 
                                    
                                    7.5%
                                 | 
| 3 | Sometimes | 55073 | 
                                    
                                    17.6%
                                 | 
| 4 | Never or rarely | 220282 | 
                                    
                                    70.5%
                                 | 
| 7 | N/A | 164776 | |
| 8 | Invalid | 476 | |
| 9 | Missing | 7860 |