| Value | Category | Cases | |
|---|---|---|---|
| 1 | Hybrid | 2 |
0.8%
|
| 2 | Improved | 21 |
8.2%
|
| 3 | Traditional | 118 |
45.9%
|
| 4 | Local | 116 |
45.1%
|
| Sysmiss | 3719 |