The pie chart shows the difference between the percentages of energy produced in a country between 1983 and 2003.
Overall, there are two charts to comparison the per cent in 2 decade which is in 2003 the oil silce was the highest per cent in contrast in 1983 and 2003 hydropower was the lowest proportion.
Firstly,in 1983, over 40% of power was generated by oil, which was the highest value among the resources. Followed by coal and nuclear energy which was the second and third-ranking at around 20%. The neutral gas and water were the least favoured fuels with only 11% and 4%
In the other hand, , there was a slight drop in oil and coal to 38% and 13% in 2003, while nuclear and neutral gas rose to 24% and 21% this year. However, water remained stable in both years and this value stayed at the same percentage at 4%.
