Table 3: Percent Changes in the Transportation Services Index from Previous Years to 2005,,,,,,, "May to May ",,,,,,, Percent change to May 2005,Since May . . .,Duration in years,,,,, 4.0,2004,1,,,,, 13.0,2003,2,,,,, 13.4,2002,3,,,,, 12.6,2001,4,,,,, 12.9,2000,5,,,,, 12.8,1999,6,,,,, 15.2,1998,7,,,,, 23.4,1997,8,,,,, 29.9,1996,9,,,,, SOURCE: Bureau of Transportation Statistics,,,,,,, ,,,,,,, ,,,,,,, ,,,,,,,