| Value | Category | Cases | |
|---|---|---|---|
| 1 | Eastern | 1664 |
25.3%
|
| 2 | Northern | 2340 |
35.6%
|
| 3 | Southern | 1540 |
23.4%
|
| 4 | Western | 1034 |
15.7%
|
| Sysmiss | 91 |