| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 23 |
3.7%
|
| 2 | 5-6 days per week | 14 |
2.3%
|
| 3 | 3-4 days per week | 49 |
7.9%
|
| 4 | 1-2 days per week | 106 |
17.1%
|
| 5 | 1-3 days per month | 153 |
24.6%
|
| 6 | Less than once a month | 267 |
43%
|
| 7 | Never | 9 |
1.4%
|
| Sysmiss | 641 |