| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly or more often | 3 |
12.5%
|
| 2 | Monthly | 5 |
20.8%
|
| 3 | Quarterly | 8 |
33.3%
|
| 4 | Twice a year | 2 |
8.3%
|
| 5 | Once a year or less often | 6 |
25%
|
| 6 | I do not know | 0 |
0%
|
| Sysmiss | 13 |