| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 55 |
1.6%
|
| 2 | 5-6 days per week | 43 |
1.2%
|
| 3 | 1-4 days per week | 393 |
11.4%
|
| 4 | 1-3 days per month | 993 |
28.7%
|
| 5 | less than once a month | 1972 |
57.1%
|
| Sysmiss | 3040 |