TABLE 41 Origin and Destination Survey Index by City of Origin for Three Medium-sized U.S. Cities: 1995–2000 ,,, "All classes of service, domestic carriers only",,, Index: Q1 1995 = 100.0,,, ,,, Quarter,"Charleston, SC","Colorado Springs, CO","Des Moines, IA" 95Q1,100.0,100.0,100.0 95Q2,102.5,95.5,102.5 95Q3,104.5,90.0,97.1 95Q4,104.9,81.8,95.7 96Q1,103.2,76.4,95.5 96Q2,93.2,83.0,96.1 96Q3,98.8,83.8,95.7 96Q4,97.8,79.6,101.3 97Q1,100.2,80.8,106.1 97Q2,102.4,81.9,105.5 97Q3,99.2,86.3,107.1 97Q4,104.9,93.3,115.3 98Q1,104.5,94.6,103.0 98Q2,102.4,93.6,96.5 98Q3,96.8,98.5,94.9 98Q4,98.9,98.0,91.1 99Q1,102.1,104.8,93.1 99Q2,104.4,106.2,94.9 99Q3,101.6,105.9,92.8 99Q4,102.0,107.8,91.9 00Q1,105.0,111.9,94.8 00Q2,105.3,113.0,100.7 00Q3,103.6,113.0,99.7 00Q4,108.6,110.9,96.3 " NOTE: These data have been developed for research purposes only and are not official BTS data. The O&D Survey indices are computed using the Fisher Index formula, which differs from the formulas used to compute the Bureau of Labor Statistics (BLS) Airline fare Consumer Price Index (CPI).",,, " SOURCE: U.S. Department of Transportation, Bureau of Transportation Statistics (BTS) and U.S. Department of Labor, Bureau of Labor Statistics, calculations based on data from BTS's quarterly Passenger Origin & Destination Survey, March 2003.",,,