Table 5: Percent changes in the Passenger Transportation Services Index from Year-to-Year,, "April Passenger TSI (1996 = 100) ",, ,Passenger TSI,Percent change from previous year 1996,98.3,4.8 1997,103.4,5.2 1998,107.0,3.5 1999,111.7,4.5 2000,117.7,5.4 2001,120.1,2.0 2002,110.6,-7.9 2003,106.9,-3.4 2004,121.1,13.3 SOURCE: Bureau of Transportation Statistics,,