Table 2: Percent changes in the Transportation Services Index from Year-to-Year,, "April TSI (1996 = 100) ",, ,TSI,Percent change from previous year 1996,99.3,0.7 1997,105.0,5.8 1998,112.4,7.0 1999,115.2,2.5 2000,113.6,-1.4 2001,114.8,1.1 2002,112.5,-1.9 2003,115.0,2.2 2004,124.4,8.2 SOURCE: Bureau of Transportation Statistics,,