the line graph illustrates the proportion of alternative energy in the total Energy provision in three different countries from 1997 to 2010.Overall,the company C has a most amount of westing garbage in tonnes more then company A and company B.Mainly the proportion of company B and company A experienced a decrease during the whole period.
firstly,the company C experienced a gradual increase between 2000 and 2005 on waste production and their value show 3% to 6%.however in 2005 and 2015, it increased rapidly again and came close to 12%.Nowadays, the figure is showing a continuous increase.
Secondly,the proportion of company A declined gradually 12% to 10% between 2000 and 2005.Although this company dicreased twise between 2005 and 2015 and it figure show
8%.Despite the company B increased slightly from 7% to 10% between 2000 and 2005,it couse to sharply dropped 10% to 3% in the middle of 2005 and 2015.