Table 2: Year-to-Year Changes in the Air Travel Price Index (ATPI) since 1995,, "U.S.-Origin Itineraries, Third Quarter to Third Quarter (First Quarter 1995 = 100)",, Year,ATPI,Percent Change from 3rd Quarter Previous Year 1995,100.36, 1996,98.36,-2.0 1997,102.19,3.9 1998,99.48,-2.7 1999,100.44,1.0 ,, 2000,108.98,8.5 2001,106.05,-2.7 2002,103.39,-2.5 2003,105.53,2.1 2004,102.63,-2.8 ,, 2005,109.20,6.4 2006,117.43,7.5 Source: BTS - Based on calculations using data from the BTS Passenger Origin and Destination (O&D) Survey,, ,,