The provided pie charts compare the percentage of different energy resources which produced in a country from 1985 to 2003.
Overall, what stands out of the graphs is that the proportion of natural gas was the highest percent, by contrast, the figure for other renewable energy held the lowest. Additionally, the share of the gasoline and nuclear ha a downward trend while the data of hydrogen stayed the same. Moreover, the figure for other energy resources witnessed an upward trend during 18 years.
Looking at the details, natural gasoline experienced a sharp fall, dropping to 29%, by 13%. Similarly, the percentage of nuclear saw a significant decrease, falling from 22% to 8%. Meawhile, hydrogen was the only category which remained unchanged (4%) throughout 18 years.
In contrast, the data of oil witnessed a noticeable increase, rising from 13% to 23%. With the same trend, the proportion of coal regconised an remarkable growth, reaching 22% in 2003. Furthermore, the percentage of other renweable resources rose slightly by 3% although it was the category which stood at the lowest of total, over the period of 18 years, started in 1985.