This pie chart shows the portion of energy generated from five sources in a certain nation between 1980 and 1990. There are five categories for sources : Oil, Natural gas, Coal, Hydroelectric power, Nuclear power.
The pie graph provides the percentage of energy data from which a particular nation generated from different sources such as oil, hydropower, nuclear power, coal, and natural gas.
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The pie chart depicts the proportion of energy producted from five unalike sources, hydropower, oil, nuclear, coal, natural gas, in a same country from 1983 to 2003.