Table 2. Total System (Domestic and International) Scheduled Enplanements on U.S. Carriers,,,,,, "Passenger numbers in millions (000,000)",,,,,, Month,2004,2005,2004-2005 Pct. Change,2006,2005-2006 Pct. Change, January,49.4,54.4,10.2,55.6,2.1, February,50.5,52.9,4.6,53.4,0.9, March,60.3,66.1,9.7,65.8,-0.4, April,59.2,61.6,4.0,63.2,2.6, May,59.1,64.2,8.6,64.5,0.4, June,63.6,67.1,5.5,67.2,0.1, July,67.1,70.6,5.2,69.5,-1.5, August,64.7,66.8,3.4,66.5,-0.5, September,53.3,56.8,6.5,56.3,-0.8, October,60.1,59.9,-0.3,61.6,2.9, November,57.4,58.7,2.2,60.2,2.6, December,59.0,59.5,0.9,60.7,1.9, Yr. Total,703.7,738.6,5.0,744.4,0.8, "Source: Bureau of Transportation Statistics, T-100 Market",,,,,, Note: Percentage changes based on numbers prior to rounding.,,,,,,