| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Per week | 342 |
47.4%
|
| 2 | 2. Per 2 weeks | 1 |
0.1%
|
| 3 | 3. Per month | 351 |
48.6%
|
| 4 | 4. Per 2 months | 3 |
0.4%
|
| 5 | 5. Per 3 months | 25 |
3.5%
|
| 9 | 9. Missing | 0 |
0%
|
| Sysmiss | 13509 |