| Value | Category | Cases | |
|---|---|---|---|
| 0 | Less than once a month | 124 |
5.3%
|
| 1 | 1-2 times per month | 399 |
17%
|
| 2 | Once per week | 518 |
22%
|
| 3 | 2-3 per week | 964 |
41%
|
| 4 | (Almost) every day | 346 |
14.7%
|
| Sysmiss | 4810 |