"FIGURE 1-1. Total Transportation Activity, Energy Consumption, and Energy Efficiency Indexes, 1990=1",,,,,,,,,,,
Overall,1990,1991,1992,1993,1994,1995,1996,1997,1998,1999,2000
Activity,1.00,1.01,1.05,1.06,1.10,1.11,1.14,1.16,1.18,1.20,1.22
Energy,1.00,0.98,1.01,1.03,1.06,1.09,1.11,1.13,1.16,1.21,1.21
Efficiency,1.00,1.04,1.04,1.03,1.04,1.02,1.02,1.02,1.02,1.00,1.01
"Source: Department of Transportation, Bureau of Transportation Statistics, National Transportation Statistics 2002, tables 1-34, 1-44, 4-6.",,,,,,,,,,,