The pie charts illustrate the transformation in percentage of energy produced from different resources in a country in 1985 and 2003
Overall, the primary produced energy was oil, which was accounted for the highest in the period of 18 years. By contrast, the propotion of the hydro energy was prodution had lowest in 1985 and 2003.
Looking first at the oil, on average this materials had been produced most in 1985, at 52%,the figure of oil was producted went down, at 39% but still popular. In 1985, 13% natural gas was produced which had increased to 23% in the period of 18 years. Moreover, the proportion of coal was produced at 8%, which is become nearly tripple times in 2003.
In contrast, accounted for nuclear, which was stayed at 22% in 1985, the figure of nuclear in 2003 was produced only nearly one-third . Finally, in 1985 and 2003, made up the hydro was remained unchanged. Meanwhile, the other renewable had increased from 1% to 4% between 1985 and 2003.