| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 545 |
44%
|
| 1 | Sometimes | 407 |
32.8%
|
| 2 | Often | 271 |
21.9%
|
| Sysmiss | 12 |
1%
|
|
| d | DK | 4 |
0.3%
|
| r | RF | 1 |
0.1%
|