By 2007, subprime loans accounted for only 14 percent of all outstanding mortgages

By 2007, subprime loans accounted for only 14 percent of all outstanding mortgages but fully 64 percent of all mortgage foreclosures

Source
Center for Responsible Lending. A Snapshot of the Subprime Market. Center for Responsible Lending. [Online] November 28, 2007. [Cited: July 17, 2008.] http://www.responsiblelending.org/pdfs/snapshot-of-the-subprime-market.pdf.