| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never/rarely | 5 |
4.6%
|
| 1 | Sometimes | 24 |
22.2%
|
| 2 | Often | 21 |
19.4%
|
| 3 | Always | 51 |
47.2%
|
| 999 | N/A | 7 |
6.5%
|
| Sysmiss | 51 |