| Value | Category | Cases | |
|---|---|---|---|
| 1 | Hybrid | 9 |
0.5%
|
| 2 | Improved | 149 |
9%
|
| 3 | Traditional | 898 |
54.4%
|
| 4 | Local | 595 |
36%
|
| Sysmiss | 2325 |