The bar chart illustartes estimated oil production capacity for six Gulf countries, including Iran, Iraq, Kuwait, Qatar, Saudi Arabia and UAE from 1990 and 2010, measured in millions of barrels per day. Overall, it is clear that the oil production capacity increased across these contries. However, there was a substantial growth in Saudi Arabia during the given period.
In 1990, Saudi Arabia produced over 8 millions of barrels per day, which was the highest figure. In contrast, Qatar just manufactured over 0,1 millions of barrels per day. The oil production capacity in Iran, Iraq, Kuwait and UAE was estimated less than 3 millions per day.
Look at the paragraph more closely, one can see that there was a noticeable increase to over 14 millions of barrels per day in the oil production capacity. By contrast, before rising to over 0,2 millions per day in 2010, the figure for Quatar experienced a volatility from 1990 to 2005. The remaining nations recorded rises throughout the period. Iran increased slightly to above 4 millions per day in the production of oil capacity in the final year. Similarly, there were marginable increases Iraq, Kuwait and UAE, ending roughly 4 millions of barrels per day in 2005.