| Value | Category | Cases | |
|---|---|---|---|
| 1 | Hour | 4 |
0.3%
|
| 2 | Day | 262 |
21.7%
|
| 3 | Week | 204 |
16.9%
|
| 4 | Month | 320 |
26.5%
|
| 5 | Other(Specify) | 419 |
34.7%
|
| Sysmiss | 11389 |