The provided graph depicts the proportion of how much wasted were produced by three companies from 2000 to 2015. Units are measured in tonnes.
Overall, blue company accounted for the highest number of wasted, before the number drop in the final year and took over by yellow company. Green company on the other hand, experienced a peak and drop significantly.
Blue company produced the most waste, which consisted of 12 tonnes in the first year. This number then started to decline moderately. In 2010 blue company showed a slight dip with 9 tonnes and converged in to yellow company, after that; the proportion fell to less than nine in 2015. Green company was the second largest to manufactured a major waste products, starting with 8 tonnes and reached a peak of 10 tonnes in 2005.
This number then decreased significantly to exactly 3 tonnes in 2015. Yellow company started off with the lowest number, 3 tonnes and increased considerably to 6 and 7 tonnes in 2005 and 2010. By 2015, yellow company surpassed the other companies with 10 tonnes of insignificant production.
