| Value | Category | Cases | |
|---|---|---|---|
| 1 | Almost every day | 119 |
9.8%
|
| 2 | At least once a week | 240 |
19.7%
|
| 3 | At least once a month | 382 |
31.3%
|
| 4 | At least once every six months | 253 |
20.7%
|
| 5 | At least once a year | 226 |
18.5%
|
| Sysmiss | 18780 |