| Value | Category | Cases | |
|---|---|---|---|
| 1 | Always or almost always | 21354 | 
                                    
                                    6.8%
                                 | 
| 2 | Often | 37373 | 
                                    
                                    12%
                                 | 
| 3 | Sometimes | 68441 | 
                                    
                                    21.9%
                                 | 
| 4 | Never or rarely | 185257 | 
                                    
                                    59.3%
                                 | 
| 7 | N/A | 164778 | |
| 8 | Invalid | 363 | |
| 9 | Missing | 7924 |