The given bar graph illustrates the changes in the 
oil
 production capacity in millions of barrels per day in six nations from 1990 to 2010. 
Looking from an Use synonyms
overall
 perspective, it is readily apparent that  Linking Words
Saudi
 Use synonyms
Arabia
 remained the highest in producing Use synonyms
oil
. Use synonyms
While
 Qatar remained the  least in the time period given.
With regards to the Linking Words
Oil
 production capacity in 1990, the most significant share was  Use synonyms
Saudi
 Use synonyms
Arabia
 almost 8 million. From 1990 to 2010, similar Use synonyms
oil
  accounted for Iraq and Kuwait, which was nearly 4 million. The same following the year a minute discrepancy can be seen the Use synonyms
Saudi
 Use synonyms
Arabia
 and Qatar, as the former was $ 12 Use synonyms
bn
, Use synonyms
while
 the latter was $ 2 Linking Words
bn
. Iran showed an upward trend over Use synonyms
20-year
 period of time. In 1990 and 2005 UAE stood in the same position At above 2 Add an article
a 20-year
the 20-year
bn
.
Use synonyms
In contrast
, Linking Words
Saudi
 Use synonyms
Arabia
 ranked the first up to 14 Use synonyms
bn
, Use synonyms
While
 Qatar notched the Linking Words
last
 rank with 2 Linking Words
billions
. The respective figure for UAE was approximately 3 Change to singular
billion
bn
 between 2005 and 2010.Use synonyms