| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 3 |
5.6%
|
| 2 | 5-6 days per week | 4 |
7.4%
|
| 3 | 1-4 days per week | 4 |
7.4%
|
| 4 | 1-3 days per month | 19 |
35.2%
|
| 5 | Less than once a month | 18 |
33.3%
|
| 88 | Refused | 6 |
11.1%
|
| Sysmiss | 4049 |