| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 49 |
5.8%
|
| 2 | 5-6 days per week | 36 |
4.2%
|
| 3 | 1-4 days per week | 196 |
23.1%
|
| 4 | 1-3 days per month | 280 |
33%
|
| 5 | less than once a month | 282 |
33.2%
|
| 88 | Refused | 6 |
0.7%
|
| Sysmiss | 1461 |