The line graph 
illustrate
 the ratio of young people that Change the verb form
illustrates
playing
 different outdoor sports in four categories from 1900 to nowadays.
Wrong verb form
play
Overall
, Linking Words
swimming
 category show and rose significantly from 1990 to Correct article usage
the swimming
Present
 day, compared with ball games and biking/roller skating. Correct article usage
the Present
Whereas
 the group jogging/running rose Linking Words
slight
 in the given Change the adjective
slightly
period
. 
Swimming started the Use synonyms
period
 below 15%, Use synonyms
then
 from 1995 to Linking Words
Correct article usage
the present
present
 Correct article usage
the present
Wrong verb form
increased
increase
 constantly and Wrong verb form
increased
end
 the given Wrong verb form
ended
period
 as a lead of outdoor sports. Use synonyms
Similarly
, jogging/running rose from over 5% in 1990 to below 15% in 2000, Linking Words
then
 showed Linking Words
sligth
 fluctuations and Correct your spelling
slight
close
 the Wrong verb form
closed
period
 with 15%. 
Use synonyms
On the other hand
, ball games began the Linking Words
period
 as lead sport with nearly 35% of participation Use synonyms
then
 decreased dramatically to close 20% at the present day. Linking Words
Liwise
, biking/roller skating started as Correct your spelling
Likewise
second
 Correct article usage
the second
popular
 sport with 25%, Correct quantifier usage
most popular
then
 Linking Words
felt
 to Correct your spelling
fell
close
 Correct article usage
a close
20
% in 2000 and rose Change preposition
to 20
insignificant
 over 20%, Change the adjective
insignificantly
finally
 Linking Words
decrease
 below 20% Wrong verb form
decreasing
at the end
 of the given Linking Words
period
.Use synonyms