Table 16. Domestic Passenger Revenue Yield (Cents per Mile),,,,,,, Regionals,,,,,,, Ranked by 1st Quarter 2006 Domestic Revenue Yield ,,,,,,, (Domestic Passenger Revenue per Revenue Passenger Mile in cents) ,,,,,,, 1Q 2006 Rank,Regional Carriers,1st Quarter 2005 ,2nd Quarter 2005 ,3rd Quarter 2005 ,4th Quarter 2005 ,1st Quarter 2006 ,1st Quarter Passenger Revenue $(Millions) 1,American Eagle,25.9,22.6,23.0,23.4,23.8,455.7 2,Comair,21.9,20.7,21.7,22.2,23.7,283.3 3,Pinnacle,23.6,19.4,18.8,19.7,21.1,205.0 4,Atlantic Southeast,19.4,19.0,19.7,21.3,20.7,313.6 5,Sky West,20.6,19.7,19.8,20.7,20.0,420.8 6,Mesa,17.9,16.8,17.9,18.6,18.9,274.5 7,Express Jet,19.4,17.2,16.6,17.3,17.6,365.9 ,Seven-Carrier Total,21.1,19.4,19.6,20.4,20.6,"2,318.9" Source: Form 41; Schedule P1.2. T100; T2 Data.,,,,,,,