Table 7: Passenger Transportation Services Index from Year-to-Year,,,, Percent change in the December Passenger TSI,,,, (Monthly average of 2000 = 100),,,, ,Passenger TSI,Percent change from same month previous year,, 1999,95.3,1.9,, 2000,101.0,6.0,, 2001,91.3,-9.6,, 2002,97.6,7.0,, 2003,100.5,2.9,, 2004,106.4,5.9,, 2005,108.8,2.3,, 2006,114.2,4.9,, 2007,117.3,2.7,, 2008P,113.0,-3.6,, SOURCE: Bureau of Transportation Statistics,,,, " NOTE: P = preliminary",,,, NOTE: Percent changes based on numbers prior to rounding.,,