| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Per week | 2409 |
99%
|
| 2 | 2. Per 2 weeks | 10 |
0.4%
|
| 3 | 3. Per month | 7 |
0.3%
|
| 4 | 4.Per 2 months | 1 |
0%
|
| 5 | 1 |
0%
|
|
| 6 | 3 |
0.1%
|
|
| 9 | 1 |
0%
|
|
| 99 | 1 |
0%
|
|
| Sysmiss | 4148 |