The line chart illustrates the proportion of students who traveled for coursera.org,khanacademy.org,udacity.com between 2012 to 2017.
Overall,the rate of students who visited for coursera.org increased from 2012 to 2017.The number of students who traveled to khanacademy.org nad udacity.com increased.
One of the most important data is that the number of students who visited to coursera.org increased.Particularly,the rate of people who visited to coursera.org saw a sudden rose from around 1 millions in 2012 to exactlyt 250 millions in 2015,then levelled off around 210 millions in 2017.
On the other hand,the number of human beings who visited to khanacademy.org and udacity.com rosing.Additionally,the rate of students who visited to khanacademy.org increased dramtically from approximately 1 millions in 2012 to nearly 250 millions in 2017.However,the proportions of students who traveled to udacity.com saw a slight fell from approximately 1 millions in 2012 to 51 millions in 2017,took the share of rate lowest,respectively.
