The graph shows estimated oil production capacity for several Gulf countries between 1990 and 2010. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

The given bar chart is a figure revealing data about the estimation of oil production capacity for 6 Gulf countries from 1990 to 2010.

Overall

, it can be seen during these years, Saudi Arabia experienced the highest amount of

barrels

,

while

Qatar had the lowest one.

besides

, other 4 countries, had grown during these years. As the chart shows, 4 countries ( Iran, Iraq, Kuwait and UAE ) experienced an increase, and reached about 4

million

barrels

, from 1990 to 2010,

however

, Iran had more production among them, just over 4

million

.

Whereas

Qatar started with just around 1

million

,by 1990, and

then

had some fluctuation and

finally

it reached the lowest number of

barrels

, at just about 1

million

.

Furthermore

, UAE remains unchanged, between 1990 and 2000, with just about 2

million

barrels

.

In contrast

, Saudi Arabia started the biggest amount of ballers in 1990 and reached a peak in 2010, with about 8 and 14

million

barrels

, respectively.