| Value | Category | Cases | |
|---|---|---|---|
| 1 | daily | 47 |
5.7%
|
| 2 | 5-6 days per week | 48 |
5.8%
|
| 3 | 1-4 days per week | 228 |
27.5%
|
| 4 | 1-3 days per month | 254 |
30.6%
|
| 5 | less than once a month | 238 |
28.7%
|
| 88 | Refused | 14 |
1.7%
|
| Sysmiss | 814 |