| Value | Category | Cases | |
|---|---|---|---|
| 1 | Always | 3 |
42.9%
|
| 2 | Sometimes | 1 |
14.3%
|
| 3 | Never | 2 |
28.6%
|
| 9 | Missing | 1 |
14.3%
|
| Sysmiss | 1249 |