| Value | Category | Cases | |
|---|---|---|---|
| 1 | Annually | 29 |
29.6%
|
| 2 | 2 to 4 times a year | 19 |
19.4%
|
| 3 | Quarterly | 29 |
29.6%
|
| 4 | Monthly | 12 |
12.2%
|
| 5 | Several times a month | 2 |
2%
|
| 6 | Weekly or more often | 3 |
3.1%
|
| 7 | Specify other time | 4 |
4.1%
|
| Sysmiss | 3041 |