| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 7084 | 
                                    
                                    40.4%
                                 | 
| 2 | Sometimes | 4124 | 
                                    
                                    23.5%
                                 | 
| 3 | Always | 6306 | 
                                    
                                    36%
                                 | 
| 7 | N/A | 400 | |
| 8 | Invalid | 5 | |
| 9 | Missing | 220 |