This analysis may interest you then:
Our tracking for the last 12 months:
About the Global Speedtest index:
If you would like to inquire into more detail about Speedtest data:
https://www.ookla.com/speedtest-intelligence/inquire
CHOICE as an organisation may be able to get more information?
A report from 2017 that has some numbers of how many tests were conducted in Q2-Q3 of that year in Australia:
Fixed BB
Mobile BB
More reports for international (ranges from 2016 to 2019 depending on Country):