The given pie charts illustrate the changes in percentage of energy manufactured from different resources in a particular country, in 1985 and 2003.
Overall, it is evident that the proportion of oil was the highest in the both years. Additionally, nuclear and natural gas experienced a significant changes.
In 1985, the percentage of oil was the highest approximately a half of total, followed by nuclear at roughly one-fifth. Moreover, the proportion of other renewable was the least just about 1%, while the amount of hydro was 4%. In addition, the number of coal and natural gas was at medium level, 8% and 13% respectively.
In 2003, the amount of oil experienced a decrease, reacing 39%, while the percentage of natural gas and coal saw an increase and reached approximately one-fifth of the total. By contrast, the proportion of nuclear showed a decline, reaching 8%, wheras the amount of hydro stayed at the same level. Furthermore, other renewable has increased, reaching 4%.
