The line 
garph
 illustrates the total amount of expenditures made by overseas tourısts in the UK, between 1980 and 2010, and the pie charts Correct your spelling
graph
depicts
 the Correct subject-verb agreement
depict
break down
 of visit types in 1980 and 2010. Use the right word
breakdown
Overall
, it Linking Words
seen
 thatVerb problem
is seen
,
 tourist expenditures increased graduallyPunctuation problem
apply
,
 Punctuation problem
.
Furthermore
, holiday Linking Words
stayed
 as the most dominant reason for their visits.
Replace the word
stays
Firstly
, total expenditure was nearly $8000 in 1980, following a decrease and Linking Words
also
 Linking Words
bottemed
 under Correct your spelling
bottomed
the 
$7500 in 1982. After that, Correct article usage
apply
gradually
 increased and peaked at $12000 in 1997. Correct pronoun usage
it gradually
Linking Words
then
 Fix capitalization
Then
follow
 a Wrong verb form
followed
fluctuated
 pattern and decreased to $10700 in 2010.
Replace the word
fluctuating
Secondly
, in Linking Words
1980
 the most dominant reason for visiting was "holiday" and accounted for 44.1% of Punctuation problem
1980,
total
 amount, but decreased to 39.1% in 2010. Correct article usage
the total
Similarly
, "others" Linking Words
also
 decreased from 16.6% to 9.8% in 2010. Linking Words
Whereas
, "business" and "visiting friends and relatives" rose and it's popularity among tourists Linking Words
and 
increased from 18.7% to 28.2% for close-knit visits and from 20.7% to 22.8% over the years.
Correct word choice
apply
To sum up
, Linking Words
visitors
 spending steadily increased over the years Check wording
visitors'
and
 Punctuation problem
, and
holiday
 kept Fix the agreement mistake
holidays
its
 popularity Fix the agreement mistake
their
in 
Change preposition
apply
spite
 over passing Use the right word
despite
30
 years.Change preposition
of 30