| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 18 |
34.6%
|
| 1 | Once/Twice | 3 |
5.8%
|
| 2 | Monthly | 1 |
1.9%
|
| 3 | Weekly | 5 |
9.6%
|
| 4 | Daily/almost daily | 25 |
48.1%
|
| Sysmiss | 107 |