"Table 2: Year-to-Year Changes in the Air Travel Price Index (ATPI) since 1995 (for U.S.-Origin Itineraries, Second Quarter to Second Quarter, First Quarter 1995 = 100) ",, Year,ATPI,Percentage Change from Previous Year 1995,101.1, 1996,97.8,-3.3 1997,103.5,5.8 1998,100.0,-3.4 1999,102.1,2.1 2000,108.2,6.0 2001,111.8,3.3 2002,106.4,-4.8 2003,105.8,-0.6 2004,106.2,0.4 SOURCE: BTS based on calculations using data from the BTS Passenger Origin and Destination Survey,, ,, ,, ,,