Table 13. Domestic Passenger Revenue Yield (Cents per Mile),,,,,,, Passenger Airlines by Group ,,,,,,, Ranked by 4th Quarter Domestic Revenue Yield ,,,,,,, (Domestic Passenger Revenue per Revenue Passenger Mile in cents),,,,,,, 4Q 2004 Rank,,4th Quarter 2003,1st Quarter 2004,2nd Quarter 2004,3rd Quarter 2004,4th Quarter 2004,4th Quarter Passenger Revenue $(Millions) 1,Regionals,N/A,22.4,19.3,19.5,20.7,"2,058.6" 2,Network,12.4,12.4,11.9,11.1,11.3,"9,995.7" 3,Low-Cost,10.7,10.6,10.2,9.7,10.2,"3,147.6" ,21-Carrier Total,N/A,12.6,12.0,11.4,11.8,"15,201.9" "Source: Bureau of Transportation Statistics; Form 41, Schedule P1.2. T100; T2 Data",,,,,,,