| Value | Category | Cases | |
|---|---|---|---|
| 1 | hour | 0 |
0%
|
| 2 | day | 3 |
37.5%
|
| 3 | week | 2 |
25%
|
| 4 | month | 2 |
25%
|
| 5 | year | 1 |
12.5%
|
| Sysmiss | 630 |