The given line graph illustrates data about the per each person consumption of butter and margarine in the United States over a forty-year span between 1980 and 2020.
Overall, in the beginning, absorption of margarine overtake with approximately 10 lbs, while consumption of butter less than margarine with almost 5 lbs, whereas in 2020, butter was the most important source of consumption with 6 lbs but margarine saw decline at 2 lbs.
looking at the details, as regards butter, despite a slow decrease from nearly 5 lbs to 4 lbs between 1980 and 1990, consumption of butter increased to 5 lbs in 2010. absorption of butter improved by 1 lbs from 5 lbs to 6 lbs.
By contrast, margarine saw a dramatic drop in the period shown. Having declined sharply from 10 lbs to almost 3 lbs between 1980 and 2010, consumption of margarine decreased to 2 lbs in the last year.