The graph below shows the amounts of waste produced by three companies over a period of 15 years

The line chart compares the information about the quantity of waste which is produced by three different companies from 2000 to 2015.
Overall in this period of time, while company A and B produced decreasingly waste, the amount of trash of company C rose year-by-year.
In 2000, company A produced 12 tonnes of waste, at the top of the list compared to other countries, followed by company B and company C at about 8 tonnes and 4 tonnes respectively. In the next 5 years, there was an upward trend in company B with the quantity of waste peaked at around 10 tonnes and then dropped sharply to 3.
If we look at company A, the produced waste went down year on year in this span of 15 years and finished at 8 tonnes. On the contrary, the amount of waste produced by company C increased dramatically by 6 tonnes and reached a high of 10 tonnes in 2015.
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