| Value | Category | Cases | |
|---|---|---|---|
| 1 | Hour | 3 |
1.1%
|
| 2 | Day | 71 |
26.6%
|
| 3 | Week | 28 |
10.5%
|
| 4 | Month | 106 |
39.7%
|
| 5 | Year | 59 |
22.1%
|
| Sysmiss | 7135 |