| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 47 |
49%
|
| 1 | Once/Twice | 7 |
7.3%
|
| 2 | Monthly | 3 |
3.1%
|
| 3 | Weekly | 6 |
6.3%
|
| 4 | Daily/almost daily | 33 |
34.4%
|
| Sysmiss | 63 |