| Value | Category | Cases | |
|---|---|---|---|
| 1 | At least once a day | 12 |
50%
|
| 2 | At least once a week | 2 |
8.3%
|
| 3 | At least once a month | 5 |
20.8%
|
| 4 | At least once a quarter | 4 |
16.7%
|
| 5 | 1-3 times a year | 1 |
4.2%
|
| Sysmiss | 813 |