allan goodman, let me begin with you. your group did this report. how did you figure in 20 billion, and give an explanation of what is happening with more foreign students studying in the united states? >> guest: it's a very good for education and the economy like most american students, most foreign students when they come here come the capito mission come up the room and board, go to the local wal-mart, by a computer, buy furnishings and books, and that is an economic development for our communities. so, what we look at is what students would have paid in tuition. we take out any grants they might have gotten, and about two-thirds of the students here pay their own weight and that's how you get to nearly $22 billion. >> host: you found there are 700 plus international students for 2010, 2011, 200,000 new international students, 3.5% of them are higher education and rolled, and 32% increase over the 2001-2000 level. this is where the students are coming from. 28% from china, 14.4% from india, 10% from south korea, 3.8% from canada and 3.4% from tai