| Value | Category | Cases | |
|---|---|---|---|
| 1 | Day | 760 |
23.6%
|
| 2 | Week | 528 |
16.4%
|
| 3 | Month | 642 |
20%
|
| 4 | Year | 1065 |
33.1%
|
| 9 | 222 |
6.9%
|
|
| Sysmiss | 21908 |