Table 2: Percent changes in the Transportation Services Index from Year-to-Year,, "May TSI (1996 = 100) ",, ,TSI,Percent change from previous year 1996,100.0,2.3 1997,105.0,5.0 1998,112.7,7.3 1999,115.2,2.2 2000,115.2,0.1 2001,115.4,0.2 2002,114.3,-1.0 2003,114.5,0.2 2004,124.3,8.5 SOURCE: Bureau of Transportation Statistics,,