The other area of concentrated distress is subprime mortgages, which increased their share of the American mortgage market from 7% in 2001 to over 20% in 2006.

• 另一损失惨重的就是次级抵押贷款领域，其占美国抵押信贷市场的份额由2001年的7%25升至2006年的20%25以上。