| Value | Category | Cases | |
|---|---|---|---|
| -9 | 519 |
12%
|
|
| 1 | Days | 24 |
0.6%
|
| 2 | Weeks | 44 |
1%
|
| 3 | Months | 181 |
4.2%
|
| 4 | Years | 0 |
0%
|
| 9 | Not applicable | 3568 |
82.3%
|
| Sysmiss | 4 |