The graph below shows the production levels of the main kinds of fuel in the UK between 1981 and 2000. Summarize the formation by selecting and reporting the main features and make comparisons where relevant.

The line chart illustrates the amount of fuel production in the UK from the year 1981 to 2000, which the mains consist of petroleum,coal and natural gas.

Overall

, Petroleum is the most energy produced compared to others from the beginning to the end of the era;

however

, it reveals a gradual fluctuation over time. Regarding the other two fuels, coal depicts a downward trend

while

natural gas experiences an upward trend until the final.

Firstly

, the highest level of petroleum generated at the beginning stood at 90 million tonnes and moderately increased in the following years. After that, there was a slight decrease in 1990. In the following age, it slightly rose until the year 2000.

Whereas

,the gas nearly remains no change at approximately 40 million tonnes for a 10-year period,from 1981 to 1991. It

then

began to gradually grow until 2000. Another kind of resource produced is coal,which illustrated a sudden decline in 1984 and grew in the following time.

Additionally

, it reveals a moderate drop from 1999 to 2000