| Value | Category | Cases | |
|---|---|---|---|
| 1 | eastern dr | 68 |
22.6%
|
| 2 | central dr | 143 |
47.5%
|
| 3 | western dr | 59 |
19.6%
|
| 4 | mid western wdr | 21 |
7%
|
| 5 | far western dr | 10 |
3.3%
|