The pie chart illustrates proportion of a oil natural gas, coal and hydroelectricity power and nuclear power energy producer in USA in 1980 and after a decade.
overall ,it is a noticeable that oil as energy source accounts for the vast majority of energy producer in USA. By contrast,nuclear power shows least energy producer.
In 1980, the higher energy produced by oil as compared to other four energy produces which was 42%. while ,more than one fifth person energy released from natural gas and the coal was 22% .However ,the minor energy producer were hydro electricity power and nuclear power. After a decade one third proportion of energy released from oil which was less from year 1980 .Meanwhile, the natural gas produced decrease by 1% and coal increased by 5%. There was a no change in hydroelectricity power while the figures for nuclear power is a 5% higher at the 10%