The bar chart depicts one nation's 
exports
 Fix the agreement mistake
export
data
 in 5 categories from 2015 to 2016. The table illustrates the change by proportion in each category in the given period.
On the whole, it is apparent that the former for petroleum products took the leadUse synonyms
,
 Punctuation problem
;
Linking Words
however
 the lowest position belonged to Add a comma
however,
textiles's
 Check wording
textiles'
data
. Use synonyms
Additionally
, the figure for gems and jewellery witnessed a slight decline, Linking Words
while
 that for the others saw a reverse trend. 
In 2015, there were around 60 Linking Words
billion
 Use synonyms
tons
 of petroleum goods exported, standing at the highest point. Use synonyms
This
 Linking Words
data
 Use synonyms
also
 doubled that for both agriculture and textiles, in which the latter was the lowest. Meanwhile, the former for engineered goods and gems and jewellery were nearly 60 Linking Words
and
 above 40 Check wording
billion and
billion
 Use synonyms
tons
 respectively.
After one year, Use synonyms
this
 country imported nearly 70 Linking Words
billion
 Use synonyms
tons
 of petroleum products, which was still the highest amount Use synonyms
exported
 after experiencing an increase Verb problem
imported
to
 3%. At the same time, the amount of that for Change preposition
of
textile
 doubledFix the agreement mistake
textiles
 up
, sharing the same Change preposition
apply
data
 with agricultural products at nearly 40 Use synonyms
billion
 Use synonyms
tons
. Use synonyms
While
 the former for gems and jewellery went down by over 5%, that for engineered goods minimally went up by above 8%.Linking Words