That was 2013, since then there are have been multiple years of noted increase.
Antarctic sea ice set another record low: For the third consecutive month, Antarctica set a record low sea ice extent (coverage) since records began in 1979. The August 2022 Antarctic sea ice extent was 6.55 million square miles, or about 290,000 square miles below average. Arctic sea ice saw its 13th-smallest August extent in the 44-year record, with sea ice coverage about 467,000 square miles below the 1981-2010 average. Source; NOAA