| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly or more often | 0 |
0%
|
| 2 | Monthly | 2 |
13.3%
|
| 3 | Quarterly | 8 |
53.3%
|
| 4 | Twice a year | 3 |
20%
|
| 5 | Once a year or less often | 1 |
6.7%
|
| 6 | I do not know | 1 |
6.7%
|
| Sysmiss | 5 |