The bar chart shows the estimated production capacity measured in barrels per day for six countries, they are, iraq, Iran, Kuwait, Qatar, Saudi Arabia in 1990 to 2010.
Overall, it clear that Saudi Arabia had the highest oil production capacity but Qatar has consistancy of oil is very low from Saudi Arabia.
In the bar chart, the four other countries have started from 0.5 to 0.4 in 2010. Iran had the capacity of oil production 0.4 millions barrals per day in 2010. In Saudi Arabia the capacity of oil production is 0.14 millions barrals per day in 2010. Qatar had very lowiest amount the capacity of oil from the other countries.
Lastly, UAE and the four other counties had the capacity of oil approximatly is 0.3 million barrals per day in 1990. Then they started increased approximatly o.4 oil millions barrals per day in 2010.
