Table 5: Percent Changes in the Transportation Services Index from Previous Years to 2006,,,,,,,, March to March,,,,,,,, Percent change to March 2006,Since March . . .,Duration in years,,,,,, -0.5,2005,1,,,,,, 2.8,2004,2,,,,,, 10.6,2003,3,,,,,, 14.3,2002,4,,,,,, 11.5,2001,5,,,,,, 11.6,2000,6,,,,,, 11.1,1999,7,,,,,, 15.6,1998,8,,,,,, 23.4,1997,9,,,,,, SOURCE: Bureau of Transportation Statistics,,,,,,,, NOTE: The percent changes to March 2006 are all preliminary,,,,,,,, ,,,,,,,, ,,,,,,,,