| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not given one | 4 |
30.8%
|
| 2 | Not registered but eligible | 4 |
30.8%
|
| 3 | Not eligible | 4 |
30.8%
|
| 4 | Others | 1 |
7.7%
|
| Sysmiss | 1122 |