Table 9: Percent changes in the Passenger Transportation Services Index from Year-to-Year,,,,,,,, May Passenger TSI,,,,,,,, (Monthly average of 2000 = 100),,,,,,,, ,Passenger TSI,Percent change from same month previous year,,,,,, 1997,87.7,4.2,,,,,, 1998,91.1,3.9,,,,,, 1999,99.8,9.5,,,,,, 2000,100.3,0.5,,,,,, 2001,100.2,-0.2,,,,,, 2002,94.4,-5.7,,,,,, 2003,92.6,-1.9,,,,,, 2004,102.8,11.0,,,,,, 2005,110.0,7.1,,,,,, 2006P,110.2,0.1,,,,,, SOURCE: Bureau of Transportation Statistics,,,,,,,, " NOTE: P = preliminary",,,,,,,, ,,