| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 9 |
2.3%
|
| 2 | Weekly | 82 |
20.7%
|
| 3 | A few times a month | 152 |
38.4%
|
| 4 | Once a month | 75 |
18.9%
|
| 5 | A few times in a year | 78 |
19.7%
|
| Sysmiss | 3855 |