| Value | Category | Cases | |
|---|---|---|---|
| 1 | day | 0 |
0%
|
| 2 | weel | 0 |
0%
|
| 3 | month | 8 |
100%
|
| 4 | year | 0 |
0%
|
| 9 | other | 0 |
0%
|
| 97 | DO NOT KNOW | 0 |
0%
|
| 99 | missing | 0 |
0%
|
| Sysmiss | 5 |