| Ha Noi | Ho Chi Minh city | Da Nang | Can Tho | Mekong Delta River | |
|---|---|---|---|---|---|
| 2017 | Establishment Survey 2017 | Establishment Survey 2017 | Establishment Survey 2017 | Establishment Survey 2017 | Establishment Survey 2017 |
| Universe 2018 | Universe 2018 | Universe 2017/2018 | Universe 2017/2018 | Universe 2018 | |
| 2016 | Establishment Survey 2016 | Establishment Survey 2016 | |||
| Universe 2017 | Universe 2017 | ||||
| 2015 | Establishment Survey 2015 | Establishment Survey 2015 | |||
| Universe 2016 | Universe 2016 |