CountryDateAgencyRatingOutlook
United States11/28/2011FitchAAANegative
United States9/8/2011DBRSAAAStable
United States8/5/2011S&PAA+Negative
United States8/2/2011Moody'sAaaNegative
United States7/14/2011S&PAAANegative Watch
United States7/13/2011Moody'sAaaNegative Watch
United States4/18/2011S&PAAANegative