| Value | Category | Cases | |
|---|---|---|---|
| 1 | Red River Delta | 1260 |
20.3%
|
| 2 | Midlands and Northern Mountainous Areas | 1474 |
23.7%
|
| 3 | Northern and Coastal Central Region | 1319 |
21.2%
|
| 4 | Central Highlands | 458 |
7.4%
|
| 5 | Southeastern Area | 641 |
10.3%
|
| 6 | Mekong Delta | 1061 |
17.1%
|