| Value | Category | Cases | |
|---|---|---|---|
| 0 | < 1 year completed | 4 |
21.1%
|
| 1 | 6 |
31.6%
|
|
| 2 | 3 |
15.8%
|
|
| 3 | 4 |
21.1%
|
|
| 6 | 2 |
10.5%
|
|
| 98 | dk | 0 |
0%
|
| Sysmiss | 15332 |