Nice list, griffin.
If you're anything like me and can't understand something if it's not in a graph, here's a quick comparison:
The overall pattern is clear: we tend to get first waves at the same time as the US, but retailers are slower to bring out successive waves, to the point where they skip entirely on late waves.
Just walking around retailers and seeing all the bumblebees choking shelves suggests it's because Aussie retailers can't clear old stock fast enough.