NASA confirmed in 2015 that the Antarctic ice caps were growing exponentially year on year. What you have is a decrease on one side and a 1.4 increase on the other side.
https://www.nasa.gov/feature/goddard/nasa-study-mass-gains-of-antarctic-ice-sheet-greater-than-losses

Recent research offers new insights on Antarctic sea ice, which, despite global warming, has increased in overall extent over the past decaded. Ice Caps are growing – 11 February 2022

New Perspectives on the Enigma of Expanding Antarctic Sea Ice