The graph compares the number of members attending a 
gym
 based on gender from 1980 to 2010.
Use synonyms
Overall
, Linking Words
it is clear that
 Linking Words
men
 population was high. Correct your spelling
the male
Linking Words
However
 it Add a comma
However,
was 
diminished over time and the females were high in number by the end of the period.
In the year 1990, the gents attending the Unnecessary verb
apply
gym
 were about 2000 in number. They were increased in the next five years after which their count was diminished and remained in a plateau till the end of the second decade. There was a rise in the Use synonyms
male
 Correct quantifier usage
number of male
gym
 attenders for the next five years. Use synonyms
In contrast
, theyLinking Words
  were 
decreased rapidly after 2005 and Unnecessary verb
apply
finally
, only about 800 gents were participating in the Linking Words
gym
 sessions in the year 2010.
With regards to the opposite gender, Use synonyms
initially
, they constitute Linking Words
to 
half of the male ones. Change preposition
apply
However
, in spite of various fluctuations their Linking Words
populaton
 Correct your spelling
population
was 
increased Unnecessary verb
apply
througout
 the duration. By the end of the span, they were almost  augmented by more than two times that of Correct your spelling
throughout
male
 gender and were identical to the male Correct article usage
the male
gym
 members in the year 1990.Use synonyms