Figure 18,,,,
Air Revenue Passenger Miles (billions),,,,
Month,Air RPM (billions),Forcast of Air RPM before 9-11,Lower whisker,Upper whisker
Jan-01,53.13,,,
Feb-01,49.99,,,
Mar-01,62.32,,,
Apr-01,59.8,,,
May-01,60.25,,,
Jun-01,64.99,,,
Jul-01,68.57,,,
Aug-01,69,69,,
Sep-01,39.11,58.39,57.29,59.49
Oct-01,44.27,61.26,60.02,62.50
Nov-01,45.25,58.34,56.97,59.71
Dec-01,48.17,57.98,56.50,59.45
Jan-02,46.59,55.75,54.17,57.34
Feb-02,45.16,52.75,51.08,54.43
Mar-02,57.42,64.48,62.72,66.24
Apr-02,53.01,61.79,59.95,63.63
May-02,55.66,62.68,60.76,64.59
Jun-02,60.22,67.08,65.11,69.06
Jul-02,62.57,70.38,68.34,72.41
Aug-02,62.88,70.45,68.38,72.52
Sep-02,48.93,59.99,57.70,62.28
Oct-02,52.78,62.86,60.49,65.23
Nov-02,48.9,59.94,57.49,62.39
Dec-02,55.36,59.58,57.06,62.10
Jan-03,50.6,57.35,54.76,59.95
Feb-03,46.46,54.35,51.70,57.01
Mar-03,56.03,66.08,63.35,68.80
Apr-03,51.15,63.39,60.61,66.17
May-03,53.59,64.28,61.44,67.12
Jun-03,59.43,68.68,65.79,71.58
Jul-03,65.04,71.97,69.04,74.91
Aug-03,64.1,72.05,69.08,75.02
Sep-03,51.35,61.59,58.45,64.73
Oct-03,55.81,64.46,61.26,67.66
Nov-03,53.25,61.54,58.26,64.81
Dec-03,57.8,61.18,57.84,64.51
Jan-04,53.45,58.95,55.55,62.35
Feb-04,52.61,55.95,52.50,59.41
Mar-04,63.6,67.68,64.16,71.19
Apr-04,61.89,64.99,61.43,68.56
May-04,62.07,65.88,62.26,69.50
Jun-04,67.83,70.28,66.62,73.95
Jul-04,,,,
"SOURCE: U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics.",,,,