| Value | Category | Cases | |
|---|---|---|---|
| 1 | Hybrid | 0 |
0%
|
| 2 | Improved | 4 |
7.4%
|
| 3 | Traditional | 27 |
50%
|
| 4 | Local | 23 |
42.6%
|
| Sysmiss | 3922 |