Who is responsible for all this debt? Can someone provide the breakdown lenders of the $14.3 Trillion?

a href="http://www.treasury.gov/resource-center/data-chart-center/tic/Documents/mfh.txt" rel="nofollow"http://www.treasury.gov/resource-center/…/a I found the break down of all foreign lenders including China is $4.3 trillion, does anyone have the breakdown of the remaining $10 Trillion?