"Is melting," not "has melted." Did you misread the headline and then accidentally skip the article?
> As mentioned, satellites measuring the ice sheet mass have observed a loss of around 200 Gt/year over the last decade.
Looking at the data for one year is not very useful. This is a long term process, as the long article you didn't read went to great pains to explain.
This year to date data skips the summer season and includes winter!