| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 57 |
52.3%
|
| 1 | Once/Twice | 8 |
7.3%
|
| 2 | Monthly | 3 |
2.8%
|
| 3 | Weekly | 13 |
11.9%
|
| 4 | Daily/almost daily | 28 |
25.7%
|
| Sysmiss | 50 |