Table 8: Passenger Revenue per Enplanement as a Percentage of System Operating Expenses (Excluding Fuel/Labor) per Enplanement,,,,,,,, Low-Cost,,,,,,,, Ranked by Second Quarter 2006 Performance,,,,,,,, (Passenger Revenue per Enplanement as Percent of Cost per Enplanement),,,,,,,, 2Q 2006 Rank ,Low-Cost Carriers,2Q 2001 (%),2Q 2002 (%),2Q 2003 (%),2Q 2004 (%),2Q 2005 (%),2Q 2006 (%),"Change 2Q 2001-2Q 2006" 1,Southwest,183,160,162,175,202,247,64 2,JetBlue,112,131,156,150,158,177,65 3,AirTran,148,120,126,122,129,159,11 4,ATA,110,40,104,92,58,145,35 5,Spirit,96,81,119,108,103,108,12 6,Frontier,70,55,75,66,85,103,43 7,America West,49,74,88,107,85,94,45 ,7-Carrier Average,122,109,128,134,135,168,46 "Source: Bureau of Transportation Statistics, Form 41 Airline Financial Data and T-100 Segment Data",,,,,,,,