| Value | Category | Cases | |
|---|---|---|---|
| 0 | 17 |
89.5%
|
|
| 1 | Voluntary | 0 |
0%
|
| 2 | Compulsary | 0 |
0%
|
| 3 | Other (Specify) | 0 |
0%
|
| 5 | 1 |
5.3%
|
|
| 6 | 1 |
5.3%
|
|
| Sysmiss | 1817 |