| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 |
0%
|
|
| 1 | northwest | 5308 |
39.8%
|
| 2 | northeast | 3730 |
28%
|
| 3 | central | 1396 |
10.5%
|
| 4 | south | 2907 |
21.8%
|
| Sysmiss | 31 |