| Value | Category | Cases | |
|---|---|---|---|
| 1 | Always or almost always | 18351 | 
                                    
                                    5.9%
                                 | 
| 2 | Often | 35141 | 
                                    
                                    11.2%
                                 | 
| 3 | Sometimes | 75817 | 
                                    
                                    24.3%
                                 | 
| 4 | Never or rarely | 183262 | 
                                    
                                    58.6%
                                 | 
| 7 | N/A | 164777 | |
| 8 | Invalid | 504 | |
| 9 | Missing | 7638 |