Air Travel Price Index,, Index: 1995 Q1 = 100,, Year,Quarter,U.S. Origin ATPI 1999,1,102.20 1999,2,102.06 1999,3,100.44 1999,4,101.73 2000,1,106.13 2000,2,108.18 2000,3,108.98 2000,4,111.56 2001,1,116.94 2001,2,111.77 2001,3,106.05 2001,4,102.86 2002,1,108.18 2002,2,106.39 2002,3,103.39 2002,4,104.73 2003,1,107.98 2003,2,105.79 2003,3,105.53 2003,4,106.56 2004,1,108.59 2004,2,106.24 2004,3,102.63 2004,4,102.24 2005,1,103.90 "Source: U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics, Nov. 21, 2005.",,