| Value | Category | Cases | |
|---|---|---|---|
| 1 | About every day | 7 |
6.9%
|
| 2 | Sometimes | 9 |
8.9%
|
| 3 | Never | 57 |
56.4%
|
| 4 | Don't know | 28 |
27.7%
|
| Sysmiss | 3810 |