| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. none | 175 |
6.4%
|
| 2 | 2. shared by 4+ learners | 178 |
6.5%
|
| 3 | 3. shared by 2-3 learners | 490 |
18%
|
| 4 | 4. every learner has own | 1879 |
69%
|
| Sysmiss | 1816 |