"Table 3: Quarter-to-Quarter Changes in the Air Travel Price Index (ATPI) for the Latest Five Quarters (U.S.-Origin Itineraries, First Quarter 1995 = 100) ",,, Quarter and Year,ATPI,Percentage Change from Previous Quarter,Percentage Change from Previous Year Fourth Quarter 2003,106.6,1.0,1.5 First Quarter 2004,108.6,1.9,0.6 Second Quarter 2004,106.2,-2.2,0.4 Third Quarter 2004,102.5,-3.5,-2.9 Fourth Quarter 2004,102.2,-0.3,-4.1 NOTE: Quarter-to-quarter changes may be affected by seasonal factors ,,, "SOURCE: BTS, based on calculations using data from the BTS Passenger Origin and Destination Survey.",,,