Labor preferencing greens first in every state - New house owners look out, page-12

The liberal govt actually capped the mortgage rate but fact is rates were highest when Howard was treasurer...you need to look deeper

"The highest interest rates from 1982 were: Fraser government (when Mr Howard was treasurer), 21.4 per cent in April 1982; Hawke government, 19 per cent in December 1985 and Keating government, 7.9 per cent in December 1994."