The line graph below shows the percentage of households using four different sources of energy (electricity, gas, solar power, and coal) in a country from 2000 to 2020. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

The line graph illustrates the percentage of households using four different sources of energy, namely electricity, gas, solar power, and coal, in a country between 2000 and 2020. Overall, the proportion of households using solar power increased dramatically, while the figure for coal declined sharply throughout the period. By contrast, the percentage of households using […]