The provided line graph represents how the market of selling gold 
of
 Dubai was in the whole year of 2002. The Change preposition
in
overall
 trend shows Linking Words
differnet
 ups and downs. 
The sales started Correct your spelling
different
by
 200 Change preposition
at
Use synonyms
millions
 Dirhams Change to singular
million
at
 Change preposition
in
Janurary
, Correct your spelling
January
then
 increased slightly to 230 million. Linking Words
Afterwards
 the rates rose sharply from Add a comma
Afterwards,
Feburary
 to March by around 130 Correct your spelling
February
Use synonyms
millions
, which is the biggest rising trend in the whole year, Change to singular
million
following
 by Wrong verb form
followed
the
 steady decline to around 110 Correct article usage
a
Use synonyms
millions
 Change to singular
million
at
 July at the lowest point. 
After both the sharpest increase and most significant decreases, the rate went back up to 200 million to the starting point, Change preposition
in
then
 Linking Words
dedclines
 back to 110 million in September. It Correct your spelling
declines
declined
then
 made a small jump to 180 Linking Words
Use synonyms
millions
 in OctoberChange to singular
million
,
 and kept stable for the rest of the three months at around 170 Remove the comma
apply
Use synonyms
millions
 to below 200 Change to singular
million
Use synonyms
millions
.Change to singular
million