Table 5: Passenger Airline System* Fuel Costs Per Available Seat-Mile ,,,,,,,, Airline Groups Ranked by 1st Quarter 2008 Fuel Cost Per ASM (Cents Per ASM) ,,,,,,,, (Fuel Expense Per Available Seat Mile in cents),,,,,,,, 1Q 2008 Rank,Airline Group,1st Quarter 2003 ,1st Quarter 2007 ,1st Quarter 2008,Pct. Change 2003-2008,Percent Of Operating Costs for Fuel,,1st Quarter Fuel Expense $(Millions) ,,,,,,2003,2008, 1,Regional,N/A,3.83,5.30,N/A,N/A,32.6,831 2,Network,1.65,3.04,4.50,172.7,13.8,29.4,"7,915" 3,Low-Cost,N/A,2.68,3.63,N/A,N/A,36.5,"1,668" ,21-Carrier Total,N/A,3.01,4.39,N/A,N/A,30.5,"10,414" "Source: Bureau of Transportation Statistics, Form 41; Schedule P6",,,,,,,, * System = domestic + international,,,,,,,, ,,,,,,,, ,,,,,,,,