| Cooperative issues | 1975-1995 | 1995-2015 |
| Hydropower | ▲ | ▲ |
| Navigation | ▲ | ▲ |
| Water quantity/water use | ▲ | ▲ |
| Joint management | ▲ | ▲ |
| Economic development | ▲ |
|
| Infrastructure development | ▲ |
|
| Fisheries |
| ▲ |
| Flood control |
| ▲ |
| Data sharing |
| ▲ |
| Comprehensive development |
| ▲ |
| Environmental conservation |
| ▲ |