Table 5: Percent Changes in the Transportation Services Index from Previous Years to 2006,,,,,,,, April to April,,,,,,,, Percent change to April 2006,Since April . . .,Duration in years,,,,,, -0.3,2005,1,,,,,, 2.3,2004,2,,,,,, 11.3,2003,3,,,,,, 13.8,2002,4,,,,,, 11.9,2001,5,,,,,, 13.2,2000,6,,,,,, 11.5,1999,7,,,,,, 14.1,1998,8,,,,,, 22.1,1997,9,,,,,, SOURCE: Bureau of Transportation Statistics,,,,,,,, NOTE: The percent changes to April 2006 are all preliminary,,,,,,,, ,,,,,,,, ,,,,,,,,