| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 8077 |
44.8%
|
| 2 | Sometimes | 3489 |
19.3%
|
| 3 | Always | 6468 |
35.9%
|
| 7 | N/A | 370 | |
| 8 | Invalid | 3 | |
| 9 | Miss | 234 |