| Value | Category | Cases | |
|---|---|---|---|
| 1 | Open | 61 |
18.8%
|
| 2 | Traditional | 235 |
72.5%
|
| 3 | Managed | 27 |
8.3%
|
| 4 | Others | 1 |
0.3%
|
| Sysmiss | 317 |