Table 8. Total Industry Domestic Enplanements on U.S. Carriers,,,,,, "Passenger numbers in millions (000,000)",,,,,, Month,2004,2005,2004-2005 Pct. Change,2006,2005-2006 Pct. Change, ,,,,,, January,44.2,48.2,9.0,49.0,1.7, February,45.7,47.3,3.6,47.5,0.4, March,54.6,59.2,8.3,58.5,-1.2, April,53.7,55.3,2.8,,, May,53.4,57.6,7.8,,, June,57.4,60.0,4.6,,, July,60.1,62.7,4.5,,, August,57.8,59.4,2.8,,, September,48.0,50.8,5.9,,, October,54.6,54.0,-1.0,,, November,52.1,53.0,1.8,,, December,52.9,53.0,0.2,,, Yr. Total,634.5,660.6,4.1,,, 3 Mo. Tot,144.5,154.8,,155.1,0.2, "Source: Bureau of Transportation Statistics, T-100 Domestic Market",,,,,, Note: Percentage changes based on numbers prior to rounding.,,,,,,