| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 7019 |
40.1%
|
| 2 | Sometimes | 3743 |
21.4%
|
| 3 | Always | 6760 |
38.6%
|
| 7 | N/A | 400 | |
| 8 | Invalid | 4 | |
| 9 | Missing | 213 |