The answer to this is E. 11% in the Arts faculty are non-US students. You simply need to refer to the pie chart in order to know the details that you are looking for. You should also look at the numbers that are given. Over the past years, more and more people are trying their best to go to different countries to study.
There are also more people who are trying their luck in other countries because they feel that the opportunities available in their home country are just not enough to get them far.