There are many moving parts in ASEAN integration but it is clear that the envisioned upside is premised on economies of scale and scope. Latest statistics from the ASEAN Secretariat tell us 1/4  BIS central bankers' speeches  that ASEAN represents USD2.4 trillion in combined GDP, making it among the 10 biggest economies in the world.
This has affected us in a mechanical sense in that if the US dollar is rising, the currency on the other side of the bilateral exchange rate must fall. We have been part of this, as is shown by the fact that the Australian dollar has fallen more against the US dollar than in tradeweighted terms.