In 2012 The Guardian said that 70% of sea ice loss was man-made.
Loss of Arctic sea ice ‘70% man-made’ | Climate crisis | The Guardian
There has been no change in Arctic sea ice extent over the past fifteen years, and the minimum this year was up 37% from 2012.
ftp://osisaf.met.no/prod_test/ice/index/v2p1/nh/osisaf_nh_sie_daily.txt