| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 4061 |
40.9%
|
| 2 | Sometimes | 2248 |
22.6%
|
| 3 | Always | 3624 |
36.5%
|
| 7 | N/A | 281 | |
| 8 | Invalid | 4 | |
| 9 | Missing | 129 |