The provided pie charts illustrate the changes in the proportion of energy produced from six different sources in a specific country between 1985 and 2003.
Overall, while oil remained the primary source of energy throughout the period, its dominance declined significantly. In contrast, there was a notable increase in the reliance on natural gas, coal, and renewable resources, while hydrogen production remained completely stable.
Detailed Comparison
In 1985, oil accounted for over half of the total energy production at 52%. However, by 2003, this figure had dropped by 13% to reach 39%. Similarly, nuclear energy saw a decrease in its share, falling from 22% to 17%.
On the other hand, the use of natural gas saw the most substantial growth, nearly doubling from 13% in 1985 to 23% in 2003. Coal also became more prominent, rising from 8% to 13%. Although other renewable resources started at a negligible 1%, they saw a fourfold increase to reach 4% by the end of the period. Notably, hydrogen was the only energy source to remain unchanged, maintaining a consistent 4% share in both years.