| Value | Category | Cases | |
|---|---|---|---|
| 1 | Hybrid | 1 |
0.6%
|
| 2 | Improved | 11 |
7.1%
|
| 3 | Traditional | 83 |
53.2%
|
| 4 | Local | 61 |
39.1%
|
| Sysmiss | 3820 |