Table 5: Percent Changes in the Transportation Services Index from Previous Years to 2006,,,,,,,, May to May,,,,,,,, Percent change to May 2006,Since May . . .,Duration in years,,,,,, 0.3,2005,1,,,,,, 3.8,2004,2,,,,,, 12.7,2003,3,,,,,, 13.2,2002,4,,,,,, 12.3,2001,5,,,,,, 12.7,2000,6,,,,,, 12.6,1999,7,,,,,, 14.9,1998,8,,,,,, 23.1,1997,9,,,,,, SOURCE: Bureau of Transportation Statistics,,,,,,,, NOTE: The percent changes to May 2006 are all preliminary,,,,,,,, ,,,,,,,, ,,,,,,,,