Well, they say it was worse in 1974/1975.
I am not so sure about that.
There are no fires listed here for 1974-75
A chronology of major bushfires in Victoria from 2013 back to 1851
https://www.ffm.vic.gov.au/history-and-incidents/past-bushfires
The most recent on that site are the fires of 2013. It’s about time the Forestry Commission updated their data.