(Adds quote, table) NEW YORK, July 14 (Reuters) - Interest rates on U.S. 30-year mortgages were little changed in the latest week, holding above their all-time low even as bond yields bounced up from their record lows, mortgage finance agency Freddie Mac said on Thursday. The average 30-year mortgage rate was 3.42 percent in the week ended July 14, compared with 3.41 percent the previous week and its record low of 3.31 percent set in **vember 2012, Freddie Mac said in its latest mortg