| Value | Category | Cases | |
|---|---|---|---|
| 1 | hours | 1 |
6.7%
|
| 2 | days | 4 |
26.7%
|
| 3 | months | 6 |
40%
|
| 4 | years | 4 |
26.7%
|
| Sysmiss | 1361 |