| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 Never | 25 |
1.8%
|
| 1 | 1 Sometimes | 43 |
3.1%
|
| 2 | 2 Often | 53 |
3.8%
|
| 3 | 3 Always | 408 |
29%
|
| Sysmiss | 879 |
62.4%
|