The pie charts indicate changes in the proportions of energy produced in the US from 1983 to 2003. Summarize the information by selecting and reporting the main features, and make comparisons where relevant.

The pie charts illustrate how energy production changed in the proportions in the United States between 1983 and 2003, in 5 different categories.

Overall

, in both 1983 and 2003, nuclear power comprised the largest

segment

while

hydropower was the smallest

segment

. It is noteworthy that the rate of natural gas surpassed that of coal after 20 years.

First,

in 1983, the proportion of oil produced was 42% and after 20 years, it slightly decreased to 38%.

Although

it slightly went down, it was still the greatest

segment

among the 5 categories.

In contrast

, nuclear power experienced a minor increase, from 20% to 24%.

Likewise

, the production of natural gas rose by 10%, from 11% to 21% and stood as the third biggest

segment

in 2003.

However

, the percentage of coal experienced a notable decline, to 13% in 2003.

Lastly

, the figure for hydropower did not change and always constituted 4%, remaining as the most negligible

segment

.