| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 48 |
2.8%
|
| 2 | 5-6 days per week | 43 |
2.5%
|
| 3 | 3-4 days per week | 113 |
6.6%
|
| 4 | 1-2 days per week | 387 |
22.5%
|
| 5 | 1-3 days per month | 499 |
29%
|
| 6 | Less than once a month | 621 |
36%
|
| 7 | Never | 12 |
0.7%
|
| Sysmiss | 1013 |