Table 2. Total System (Domestic and International) Scheduled Enplanements on U.S. Carriers,,,,, "Passenger numbers in millions (000,000)",,,,, ,2005,2006,2005-2006 Pct. Change,2007,2006-2007 Pct. Change January,54.4,55.6,2.1,57.1,2.8 February,52.9,53.4,0.9,54.1,1.3 March,66.1,65.8,-0.4,67.2,2.0 April,61.6,63.2,2.6,64.9,2.7 May,64.2,64.5,0.4,, June,67.1,67.2,0.1,, July,70.6,69.5,-1.5,, August,66.8,66.5,-0.5,, September,56.8,56.3,-0.8,, October,59.9,61.6,2.9,, November,58.7,60.3,2.7,, December,59.5,60.7,2.1,, 4- Mo Total,235.0,237.9,1.3,243.2,2.2 Yr. Total,738.6,744.6,0.8,, "Source: Bureau of Transportation Statistics, T-100 Market",,,,, Note: Percent changes based on numbers prior to rounding.,,,,, ,,,,,