| Value | Category | Cases | |
|---|---|---|---|
| 1 | Within 1 month or less | 5 |
62.5%
|
| 2 | In more than 1 month to 3 month | 2 |
25%
|
| 3 | In more than 3 month | 1 |
12.5%
|
| 9 | Unspecified | 0 |
0%
|
| Sysmiss | 9991 |