The given pie charts illustrate the percentage of the energy produced between several sources in a nation from 1985 to 2003.
Overall, from the charts it is clear that, the highest rate was in oil throughout the period. However, other renewable were the lowest proportion in the given years.
Looking at the charts in more details, we can see that in 1985 there was a 6 sources but the least one was other renewable where it was only 1%. Moreover, hydrogen was 4 %, although coal was 8 % there was a decreased. Furthermore, it is noticeable that natural gas and nuclear was 13% and 22% respectively. Additionally, oil was 52% in the year of 1985.
In contrast, the chart also demonstrates that, in 2003 pil source was in the highest percentage significantly 39%. Besides, the natural gas also nuclear were the 23% and 17% respectively. Similarly, other renewable and hydrozen in 2003 was 4%. In addition, the coal was 13% in the given year of 2003