The charts show the sources of the electricity produced in four countries between 2003 and 2008.
Summarise the information by selecting and reporting the main features, and make comparisons where relevant.
The four pie charts compare the proportions of electricity generated from three different sources (fossil fuels, hydropower, and nuclear power) in India, Sweden, Morocco and Vietnam over the period from 2003 to 2008. Overall, fossil fuel was the dominant source of electricity in all four nations, while nuclear power contributed the smallest share in India and Sweden, and was not used for power production in Morocco and Vietnam. In detail, Morocco relied most heavily on fossil fuels, which accounted for 95% of its electricity generation, followed by India where 82% of power came from this source. By contrast, hydropower made up a larger share of electricity in Sweden and Vietnam, at 44% each, compared to only 14% in India and a mere 5% in Morocco. It is also notable that nuclear power only contributed a tiny 4% to electricity production in both India and Sweden, whereas this energy source was not utilised at all in Morocco and Vietnam during the given period.
show the sources of the electricity produced in four countries改写为compare the proportions of electricity generated from three different sources (fossil fuels, hydropower, and nuclear power) in India, Sweden, Morocco and Vietnam over the period from 2003 to 2008,明确说明图表类型、对比对象、核心指标和时间范围。