The pie charts demonstrate changes in the percentage of production energy from six types of resource in nation during 1985 and 2003
Overall, it is evident that the production of oil showed an upward trend, while this figure for others energy were downward. Coal and natural gas become more and more popular.
More than half of oil was produced in 1985, which was a decline to reach 39% in 2003. The production of nuclear decreased significantly over the 18 year period, from only 22% in 1985 to 8% in 2003. In addition, hydro production saw a level off between 1985 and 2003
In 1985, natural gas production tooks up 13%, which increased steadily to approximately in 23%. The proportion of coal production was highest in 2003, at 22%, while this number was only in 1985. There was a slight rise of others production around 4% in 2003