The graph shows the crude oil production output of Angola from 1980 to 1999. Units are measured in thousands of barrels per day. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Write at least 150 words.

The bar graph illustrates Angola’s crude oil production from 1980 to 1999, measured in thousands of barrels per day. Overall, oil production from Angola had steadily increased throughout 1980 and 1999, with the exception of a minor fluctuation in the early 1980’s. In detail, production started in Angola at 150 thousand barrels per day in […]