Figure 1,,,,,,,,
Stage 3 Airplanes as a Percentage of Fleets: 1992–1999,,,,,,,,
,,,,,,,,
Percent,,,,,,,,
Year,1992,1993,1994,1995,1996,1997,1998,1999
Domestic operators,56.3,59.3,63.1,67.4,72.8,77,85.6,100
Foreign operators,67.2,69.8,73.2,77.4,81.8,85.3,89.8,100
Active fleet total,59.5,62.4,66.3,70.7,75.5,79.8,86.9,100

"SOURCE: U.S. Department of Transportation, Federal Aviation Administra-",,,,,,,,
"tion, Report to Congress: Progress Report on the Transition to Quieter ",,,,,,,,
"Airplanes (Washington, DC: Annual editions).",,,,,,,,