| Value | Category | Cases | |
|---|---|---|---|
| 0 | < 1 year completed | 6 |
20%
|
| 1 | 6 |
20%
|
|
| 2 | 4 |
13.3%
|
|
| 3 | 6 |
20%
|
|
| 4 | 1 |
3.3%
|
|
| 5 | 1 |
3.3%
|
|
| 8 | 3 |
10%
|
|
| 9 | 2 |
6.7%
|
|
| 11 | 1 |
3.3%
|
|
| 98 | dk | 0 |
0%
|
| Sysmiss | 6362 |