Writing Part 1 IELTS - Line graph. I truly appreciate your help.

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The graph below shows the consumption of 3 spreads per week from 1981 to 2007.

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The line graph shows the consumed amount of margarine, low fat & reduced spreads, and butter between 1981 and 2007.

Although not until 1996 were low fat & reduced spreads used, by 2007, they became the most popular ones. Meanwhile, despite having quite a significant consumption at first, the other two then witnessed a decline until hitting the low by the end of the period.

Specifically, in 1981, more than 140 grams of butter were used a week, about 1.5 times as high as the margarine. Five years later, the amount of butter reached a peak while that of margarine had its first drop by about 10 grams. In the next ten years, less and less butter was consumed while margarine rose again in the number of grams before staying put in 1991.

As for the low fat & reduced spreads, they were put in use firstly in 1996, then increased rapidly and peaked in 2001 with over 80 grams consumed weekly. On the other hand, butter and margarine lengthened their downward trend. In 2007, the consumption of butter and margarine stood at only approximately 50 grams and 40 grams, respectively.