| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 73 |
46.2%
|
| 2 | Several days a week | 32 |
20.3%
|
| 3 | Once a week | 16 |
10.1%
|
| 4 | Once a month | 10 |
6.3%
|
| 5 | Occasionally / when necessary | 27 |
17.1%
|
| Sysmiss | 4507 |