| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 6461 | 
                                    
                                    36.9%
                                 | 
| 2 | Sometimes | 7004 | 
                                    
                                    40%
                                 | 
| 3 | Always | 4025 | 
                                    
                                    23%
                                 | 
| 7 | N/A | 400 | |
| 8 | Invalid | 2 | |
| 9 | Missing | 247 |