| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily or almost daily | 53 |
6.8%
|
| 2 | Weekly | 125 |
16%
|
| 3 | Monthly | 147 |
18.8%
|
| 4 | Less than monthly | 455 |
58.3%
|
| Sysmiss | 4795 |