| Value | Category | Cases | |
|---|---|---|---|
| 1 | daily | 84 |
41.8%
|
| 2 | several days/week | 41 |
20.4%
|
| 3 | once/week | 35 |
17.4%
|
| 4 | once/month | 20 |
10%
|
| 5 | occasionally | 21 |
10.4%
|
| Sysmiss | 4464 |