Study the following carefully and answer the questions.
During which year use of oil by ‘Suburban’ as a proportion of ‘Total Oil Used’ was the highest?
Total oil used in the year 1996 = 10+700+1794+104 = 2608.
Therefore, Oil used by Suburban as a proportion of Total Oil Used = $$\dfrac{104}{2608}\times 100$$ = 3.99 percent.
Similarly, we can calculate for the remaining years.
From the table, we can see that oil used by suburban as a proportion of total oil used is the highest for the year 2008. Hence, option D is the correct answer.
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