I can't hear you very well http://fittor.top/arabicul/ hqtubes U.S. airlines as a group had a third straight year of profitability in 2012, but earnings have declined since 2010, according to data from the U.S. trade group Airlines for America. Industry margins have shrunk from 1.6 percent in 2010 to 0.2 percent last year, the data show.