| Value | Category | Cases | |
|---|---|---|---|
| 1 | Years | 10 |
13.7%
|
| 2 | Months | 3 |
4.1%
|
| 3 | Weeks | 60 |
82.2%
|
| 7 | Not Applicable | 0 |
0%
|
| Sysmiss | 868 |