Table 9: Percent changes in the Passenger Transportation Services Index from Year-to-Year,,,,,,,, April Passenger TSI,,,,,,,, (Monthly average of 2000 = 100),,,,,,,, ,Passenger TSI,Percent change from same month previous year,,,,,, 1997,87.6,5.6,,,,,, 1998,90.4,3.1,,,,,, 1999,94.3,4.4,,,,,, 2000,99.1,5.0,,,,,, 2001,101.0,1.9,,,,,, 2002,93.5,-7.4,,,,,, 2003,90.5,-3.2,,,,,, 2004,103.4,14.3,,,,,, 2005,109.2,5.5,,,,,, 2006P,110.5,1.2,,,,,, SOURCE: Bureau of Transportation Statistics,,,,,,,, " NOTE: P = preliminary",,,,,,,,