| 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 |