the line chart illustrates proroportion the mane kind of fuel in the UK from 1981 to 2000.
Overall,petroleum dominated throuhout the period,while despite being the lowest catecory at the begining of the period,coal surpased Natural gas by 2000.
Petroleum was responsible for the highest figure at about 90,and reached a peak in 1986 at 140 before dropping to 100 from 140 by 1991. However it showed a positive figure by the ond of the period. Meanwhile natureal gas was the only categort, which fell by 2000,compared to 1981 it was lower by over half to approhimately 35.
On the other hand,coal was oppsite to natural gas,which showed the same figure as the beginning at 40 by 1991,but suddenly it increased noticable by the end of the period given at over 100.
