You also need to be aware that since 2012 roughly 200k migrants have come to Australia year on year which has put massive pressure on the demand for urban housing, so whatever figures we have from 2012 need to account for that when being compared to now.
Travelling back in time
You also need to be aware that since 2012 roughly 200k migrants have come to Australia year on year which has put massive pressure on the demand for urban housing, so whatever figures we have from 2012 need to account for that when being compared to now.
You use national wage average against city specific house prices. Is there average wage data for just Sydney & Melbourne, or at least, NSW & VIC?