| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 188 |
15.6%
|
| 2 | 5-6 days per week | 104 |
8.6%
|
| 3 | 1-4 days per week | 473 |
39.1%
|
| 4 | 1-3 days per month | 274 |
22.7%
|
| 5 | Less than once a month | 114 |
9.4%
|
| 96 | Other | 56 |
4.6%
|
| Sysmiss | 4486 |