The charts below show the proportion of holiday makers using four different types of accomodation in three different years.

The charts below show the proportion of holiday makers using four different types of accomodation in three different years.
IELTS Writing Task Chart for The charts below show the proportion of holiday makers using four different types of accomodation in three different years.
The given charts illustrate the ratio of people utilising various options of accommodation during their holiday in 1988, 1998 and 2008.
Overall
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, the most popular
option
Use synonyms
is staying with family members across the 20 years. A closer look at the graph shows the abovementioned
option
Use synonyms
took over 50% in the first 10 years,
then
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this
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percentage decreased to 44% in 2008. Interestingly, the proportion of holidaymakers choosing to stay at camps dropped rapidly throughout the given period. It started as
2nd
Correct article usage
the 2nd
show examples
most popular
option
Use synonyms
at 26% in 1998,
then
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reduced to 13% in 1998 and reached the bottom at 12% in 2008.
Additionally
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, rented apartments were not the famous
option
Use synonyms
in 1988 (at 7%),
however
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, it witnessed an increasing trend and reached 22% after 2 decades.
Lastly
Linking Words
, hotels are deemed to be the common type of stay, which accounted for 15% in 2008 and 22% in the following 10 years.

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Conclusion: The conclusion is too long.
Vocabulary: Replace the words option with synonyms.
Vocabulary: The word "give" was used 2 times.
Vocabulary: The word "reached" was used 2 times.
Vocabulary: The word "stay" was used 2 times.
Vocabulary: Use several vocabularies to present the data in the second paragraph.
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