| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 25 |
4.9%
|
| 2 | 5-6 days per week | 21 |
4.1%
|
| 3 | 1-4 days per week | 77 |
15%
|
| 4 | 1-3 days per month | 161 |
31.4%
|
| 5 | Less than once a month | 218 |
42.6%
|
| 88 | Refused | 10 |
2%
|
| Sysmiss | 590 |