| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 82 |
61.7%
|
| 1 | Once/Twice | 18 |
13.5%
|
| 2 | Monthly | 9 |
6.8%
|
| 3 | Weekly | 15 |
11.3%
|
| 4 | Daily/almost daily | 9 |
6.8%
|
| Sysmiss | 26 |