MCLEAN, VA--(Marketwired - Jan 22, 2015) - Freddie Mac (OTCQB: FMCC) today released the results of its Primary Mortgage Market Survey® (PMMS®), showing average fixed mortgage rates falling again amid declining bond yields and oil prices. Averaging 3.63 percent, the 30-year fixed-rate mortgage is at its lowest level since the week ending May 23, 2013 when it averaged 3.59 percent.