Pie chart The favourite social media channel between 2011 and 2013

The circular chart represent information about popular social sites namely facebook, Twitter, LinkedIn, Google Plus and Pinterest over a three year period, starting from 2011.
Overall, it is clear that Facebook declined popularity year by year, whereas other websites raised their position among users over the period.
Regarding the pie chart, 59% population utilized Facebook in former year but it's preferrence decreased year by year. Furthermore, least famous social media channel was Pinterest in year 2011.Afterthis. it raised popularity 6% and 8% In year 2012 and 2013 respectively.
To continue with, only 21%™user supported Twitter in 2011, while a quarter people browsed it in later year. Moreover, one in ten ratio mankind surfed LinkedIn in past year however it also acquired popularity day by day. Furthermore , one in twenty person selected Google Plus among web channel in 2011, but units were reached on 14% in former period.