| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 124 |
5.7%
|
| 2 | 5-6 days per week | 52 |
2.4%
|
| 3 | 3-4 days per week | 170 |
7.8%
|
| 4 | 1-2 days per week | 585 |
26.7%
|
| 5 | 1-3 days per month | 545 |
24.9%
|
| 6 | Less than once a month | 683 |
31.1%
|
| 7 | Never | 34 |
1.6%
|
| Sysmiss | 771 |