The line graph depicts how many individuals played basketball, tennis, badminton, and rugby in a region over a period of 20 years, from 1985. 
At a glance, it is noticeable that the number of tennis and rugby players experienced 
contrast
 Replace the word
contrasting
movement
 which are rise and fall, respectively, whilst the two other sports look stable. 
In terms of Fix the agreement mistake
movements
the 
tennis and rugby, the number of former Correct article usage
apply
player
 stood at 150 in Change to a plural noun
players
initial
 year Add an article
an initial
the initial
then
 started to grow steadily by approximately 80 people Linking Words
in
 the end of the period. Change the preposition
at
In contrast
 with the latter, it started at just below 250 people in 1985. Linking Words
Subsequently
, it witnessed a gradual drop in the next 10 years to precisely 200 players Linking Words
then
 plummeted to 50 individuals in 2005. 
In regard to basketball and badminton, there were around 85 and 55 people decided to join these sports, consecutively. Linking Words
Next, 
both of them had a slight increase to 83 and 49 players, respectively, and Linking Words
this
 number remained steady until the Linking Words
last
 year.Linking Words