The shown pie charts provide information about changes in the percentage of energy produced from various resource in nation in the 1985 and 2003.
Overall, the most striking features of pie charts are that natural gas represented a majority part of total percentage, while resources of other renewable constituted a lowest part of pie charts. Oil and coal increased dramatically their dominance, whereas nuclear energy decreased sharply over the given years.
To begin 1985, natural gas made up more than a half of per cent, nuclear energy accounted for 22%. However, these both resources witnessed a great decrease and accounted 39% and 8% in 2003, respectively. Furthermore, hydrogen energy make a same contribute for notion.
Conversely, coal energy made up 8%, by 2003 it experienced a dramatic increase, reaching at 22%. The energy of oil grew sharply and stood at 23% in 2008. Other renewable energy has a steady increase, standing at 4% in 2003.