Minimum and maximum winning primary vote

At federal elections from 1958 to 2025, what was the smallest proportion of the primary vote that went to a winning candidate, and what was the largest?

At federal elections from 1958 to 2025, what was the smallest proportion of the primary vote that went to a winning candidate, and what was the largest?
Data excludes the uncontested seat of Northern Territory at the 1963 federal election. Counts Nicolette Boele as the winner in Bradfield.
Chart: Ben Raue Get the data Created with Datawrapper