| Value | Category | Cases | |
|---|---|---|---|
| 1 | Annually | 2 |
4.8%
|
| 2 | 2 to 4 times a year | 5 |
11.9%
|
| 3 | Quarterly | 8 |
19%
|
| 4 | Monthly | 10 |
23.8%
|
| 5 | Several times a month | 6 |
14.3%
|
| 6 | Weekly or more often | 10 |
23.8%
|
| 7 | Other (specify) | 1 |
2.4%
|
| Sysmiss | 3097 |