Here is the Aussie dollar, versus the yen, for the last three years (the only rate I have ready to hand). It has done much the same against all other currencies.
I exchanged my yen for Aussies on Obama's inauguration day, figuring if anything was going to turn it around it would be that. That day was the third of those three very low spikes you see, the last before the recent recovery.



!
I guess that makes me one of the idle rich parasites exploiting fluctuations in exchange values without adding any real value. Oh well, peel me a grape,