| value | category | cases | |
|---|---|---|---|
| 1 | Every day | 31 |
15.3%
|
| 2 | Nearly every day | 30 |
14.8%
|
| 3 | 4 - 5 times/week | 21 |
10.3%
|
| 4 | Once a week | 42 |
20.7%
|
| 5 | 2 - 3 times/month | 30 |
14.8%
|
| 6 | Once a month | 16 |
7.9%
|
| 7 | 4 - 5 times/year | 18 |
8.9%
|
| 9 | Don't know | 15 |
7.4%
|