The line graph illustrates how much rubbish that was generated by three companies over a period of 15 years.
Overall, the amount of garbage produced in company C witnessed an upward trend while the opposite pattern was seen in company A and B. In addition , waste produced in company A reached the highest peak but it was outnumbered by company C in the final year while the figure for company C was generally the lowest .
The litter manufactured in company C stood at just over 3 tonnes in 2000, after which it rose considerably to about 7 tonnes in 2010 , ending the period at around 10 tonnes 5 years later.
Opposite change can be seen in the figure for company A and B. 12 tonnes of rubbish were generated in company A in 2000, with a subsequent gradual fall to exactly 9 tonnes in 2010 , eventually reaching just under 9 tonnes in 2015. Similar change , but to a greater degree , can be seen in the figure for company B , decreasing from approximately 8 tonnes in 2000 to 3 tonnes in 2015.
