The line graph shows the proportion of people owning solar panels in comparison to their cost between 1995 and 2005.

The line graph illustrate the average cost of solar panels and the proportion of the population owning them from 1995 to 2005. Overall, what stands out from the graph is that the average cost of solar panels saw a significant decline over the decade, while despite the fluctuations, the proportion of population increased markedly over […]