| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 8324 |
46.2%
|
| 2 | Sometimes | 4036 |
22.4%
|
| 3 | Always | 5668 |
31.4%
|
| 7 | N/A | 371 | |
| 8 | Invalid | 12 | |
| 9 | Miss | 230 |