The pie charts provide information about the proportions of energy, that been made in country in two years: 1983 and 2003. Units are measured in percentages.
Overall, the largest and the smallest proportions of energy stayed at the same place, comparing two given years. The strongest decrease happened in Natural Gas and in Coal, meanwhile production of Nuclear Power stayed almost at the same level.
According to the pie charts in 1983 Oil production accounted for 42%; however in 2003 it was reduced by 4%. While Coal experienced the sharpest decline: from 23% in 1983 to 13% in 2003.
In contrast the strongest increase occured in Narural Gas, where it has benefited in 10% comparing two given years. Simultaneously, there are some areas, thet have not changed a lot during this period of time, such as Hydropower that stayed at exactly the same level and Nuclear power dropped by 4% drawing parallels between 1983 an 2003.
