| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 26 |
1%
|
| 2 | 5-6 days per week | 53 |
2%
|
| 3 | 1-4 days per week | 455 |
17.2%
|
| 4 | 1-3 days per month | 1179 |
44.5%
|
| 5 | less than once a month | 936 |
35.3%
|
| Sysmiss | 3616 |