The given pie charts compare the proportion of the population of social media Chanel in five various platform in three consecutive years, starting from 2011. The general overview here is that Facebook was the most popular social media channel, while the lowest favorite platform was Pinterest throughout the period.
According to the charts, it is clear that the majority of favorite social media channel was Facebook in 2011, accounting for 59%. There was a significant movement in 2012 and 2013, the popular number of Facebook dropped steadily to 49% and 38% respectively. On the contrary, the figure of LinkedIn grew slightly from 10% in 2011 to 12% and 15% consecutively over the periods observed.
Moreover, in 2011 Google+ and Pinterest represented the same extent of 5%, after passing two years, the the favorite extent of Google+ rose dramatically to 14% in 2013, Whereas the amount of Pinterest minimal increase of only 3% to 8% of the total percentage. Likewise, after two years later the figure of Twitter experienced a unnoticeable increase of 4% to 15%. 
The  
given
 pie charts compare the proportion of the population of social media Chanel in five various  
platform
 in three consecutive years, starting from 2011. The general overview here is that Facebook was the most popular social media channel, while the lowest favorite platform was Pinterest throughout the period.
According to the charts, it is  
clear
 that the majority of favorite social media channel was Facebook in 2011, accounting for 59%. There was a significant movement in 2012 and 2013, the popular number of Facebook dropped  
steadily
 to 49% and 38%  
respectively
.  
On the contrary
, the figure of LinkedIn grew  
slightly
 from 10% in 2011 to 12% and 15%  
consecutively
 over the periods observed. 
Moreover
, in 2011 Google+ and Pinterest represented the same extent of 5%, after passing two years,  
the the
 favorite extent of Google+ rose  
dramatically
 to 14% in 2013, Whereas the amount of Pinterest minimal increase of  
only
 3% to 8% of the total percentage.  
Likewise
, after two years later the figure of Twitter experienced  
a
 unnoticeable increase of 4% to 15%.