| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 9286 |
53.2%
|
| 2 | Sometimes | 4970 |
28.5%
|
| 3 | Always | 3211 |
18.4%
|
| 7 | N/A | 400 | |
| 8 | Invalid | 6 | |
| 9 | Missing | 266 |