| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 9286 | 
                                    
                                    53.2%
                                 | 
| 2 | Sometimes | 4970 | 
                                    
                                    28.5%
                                 | 
| 3 | Always | 3211 | 
                                    
                                    18.4%
                                 | 
| 7 | N/A | 400 | |
| 8 | Invalid | 6 | |
| 9 | Missing | 266 |