This excerpt taken from the C 10-Q filed Nov 6, 2009.
First MortgagesLoan Balances. Approximately 83% of the Company's first lien mortgage portfolio had FICO credit scores of at least 620 at origination. As a consequence of the difficult economic environment and the decrease in housing prices, LTV ratios and FICO scores have deteriorated since originations, as depicted in the tables below. On a refreshed basis, approximately 31% of first lien mortgages had a FICO score below 620, compared to approximately 17% at origination.