"Table 3: Quarter-to-Quarter Change in ATPI for Five Quarters for U.S.-origin Itineraries (First Quarter 1995 = 100). Quarter-to-quarter changes may be affected by seasonal factors. ",, , ATPI ,Percent change from previous quarter First Quarter 2003,107.98,3.1 Second Quarter 2003,105.79,-2.0 Third Quarter 2003,105.53,-0.2 Fourth Quarter 2003,106.56,1.0 First Quarter 2004,108.59,1.9 "SOURCE: BTS, 2004",,