Figure 14: Passenger TSI and 12-Month Moving Average, January 1979 to May 2006

Figure 14: Passenger TSI and 12-Month Moving Average, January 1979 to May 2006

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  TSI passenger Moving average
Jan-79    
Feb-79 49.3  
Mar-79 50.4  
Apr-79 49.2  
May-79 48.4  
Jun-79 49.9  
Jul-79 50.7  
Aug-79 51.8 50.1
Sep-79 50.9 50.1
Oct-79 50.2 50.0
Nov-79 50.9 49.9
Dec-79 49.6 49.9
Jan-80 49.5 49.8
Feb-80 50.1 49.6
Mar-80 49.2 49.4
Apr-80 47.6 49.2
May-80 48.7 49.0
Jun-80 49.0 48.8
Jul-80 48.5 48.7
Aug-80 49.2 48.6
Sep-80 48.5 48.3
Oct-80 48.8 48.3
Nov-80 48.2 48.4
Dec-80 47.6 48.4
Jan-81 48.7 48.4
Feb-81 47.6 48.3
Mar-81 46.4 48.2
Apr-81 48.4 48.2
May-81 50.4 48.2
Jun-81 48.2 48.2
Jul-81 48.2 48.2
Aug-81 47.8 48.3
Sep-81 48.3 48.4
Oct-81 48.1 48.5
Nov-81 48.3 48.4
Dec-81 48.5 48.3
Jan-82 48.3 48.3
Feb-82 49.1 48.3
Mar-82 47.7 48.4
Apr-82 48.6 48.4
May-82 47.9 48.5
Jun-82 48.0 48.5
Jul-82 48.5 48.7
Aug-82 49.1 48.9
Sep-82 48.3 49.2
Oct-82 48.9 49.5
Nov-82 48.8 49.7
Dec-82 49.8 50.0
Jan-83 50.8 50.3
Feb-83 51.3 50.5
Mar-83 52.4 50.8
Apr-83 50.9 51.2
May-83 51.3 51.5
Jun-83 51.7 51.8
Jul-83 51.7 52.0
Aug-83 51.7 52.2
Sep-83 52.5 52.3
Oct-83 53.2 52.5
Nov-83 52.9 52.8
Dec-83 52.9 53.1
Jan-84 52.7 53.3
Feb-84 53.4 53.6
Mar-84 53.6 53.9
Apr-84 54.0 54.2
May-84 55.0 54.6
Jun-84 55.3 54.9
Jul-84 54.0 55.3
Aug-84 55.2 55.5
Sep-84 57.1 55.8
Oct-84 56.7 56.2
Nov-84 56.8 56.6
Dec-84 57.5 57.0
Jan-85 56.4 57.3
Feb-85 56.1 57.7
Mar-85 58.1 57.8
Apr-85 58.7 58.0
May-85 59.7 58.1
Jun-85 59.0 58.4
Jul-85 58.8 58.7
Aug-85 58.7 59.1
Sep-85 58.1 59.4
Oct-85 58.5 59.7
Nov-85 59.4 59.9
Dec-85 60.5 60.0
Jan-86 61.2 60.2
Feb-86 61.0 60.5
Mar-86 61.1 60.9
Apr-86 61.5 61.2
May-86 61.0 61.6
Jun-86 60.9 61.9
Jul-86 61.9 62.2
Aug-86 62.8 62.5
Sep-86 63.0 62.9
Oct-86 62.5 63.4
Nov-86 63.9 63.9
Dec-86 64.3 64.4
Jan-87 64.0 64.8
Feb-87 65.6 65.3
Mar-87 66.7 65.6
Apr-87 67.3 65.9
May-87 67.2 66.2
Jun-87 65.8 66.4
Jul-87 67.6 66.7
Aug-87 67.7 66.9
Sep-87 66.2 67.1
Oct-87 67.0 67.2
Nov-87 67.0 67.3
Dec-87 66.3 67.5
Jan-88 67.0 67.6
Feb-88 68.9 67.8
Mar-88 67.1 68.0
Apr-88 68.8 68.2
May-88 68.6 68.4
Jun-88 68.8 68.7
Jul-88 69.1 68.9
Aug-88 69.4 69.0
Sep-88 69.1 69.1
Oct-88 69.7 69.1
Nov-88 69.6 69.2
Dec-88 69.3 69.3
Jan-89 69.9 69.5
Feb-89 68.6 69.7
Mar-89 68.5 69.8
Apr-89 68.9 70.0
May-89 69.7 70.2
Jun-89 71.4 70.4
Jul-89 70.9 70.7
Aug-89 71.1 71.0
Sep-89 71.4 71.5
Oct-89 71.4 71.8
Nov-89 72.1 72.1
Dec-89 72.6 72.2
Jan-90 73.2 72.3
Feb-90 73.4 72.4
Mar-90 74.3 72.6
Apr-90 72.1 72.7
May-90 72.3 72.8
Jun-90 72.8 72.9
Jul-90 71.9 72.9
Aug-90 72.6 72.6
Sep-90 72.8 72.1
Oct-90 73.3 71.8
Nov-90 72.5 71.8
Dec-90 74.4 71.8
Jan-91 71.8 71.7
Feb-91 67.7 71.7
Mar-91 67.6 71.7
Apr-91 71.9 71.7
May-91 72.5 71.7
Jun-91 71.9 71.6
Jul-91 71.9 71.6
Aug-91 72.4 71.9
Sep-91 73.2 72.4
Oct-91 72.4 72.5
Nov-91 72.5 72.5
Dec-91 73.3 72.7
Jan-92 72.4 73.1
Feb-92 73.9 73.5
Mar-92 72.7 73.8
Apr-92 70.9 74.0
May-92 73.2 74.1
Jun-92 75.4 74.2
Jul-92 77.3 74.4
Aug-92 77.8 74.5
Sep-92 75.3 74.6
Oct-92 73.8 74.8
Nov-92 74.3 75.0
Dec-92 74.2 75.0
Jan-93 75.2 74.8
Feb-93 74.3 74.6
Mar-93 74.0 74.5
Apr-93 74.4 74.7
May-93 75.3 74.9
Jun-93 73.7 75.0
Jul-93 74.6 75.2
Aug-93 75.3 75.2
Sep-93 75.2 75.4
Oct-93 77.0 75.7
Nov-93 76.4 75.9
Dec-93 76.4 76.1
Jan-94 75.6 76.5
Feb-94 75.9 76.7
Mar-94 76.9 77.0
Apr-94 77.0 77.3
May-94 77.5 77.5
Jun-94 77.8 77.8
Jul-94 78.7 78.2
Aug-94 77.9 78.5
Sep-94 78.9 78.8
Oct-94 79.6 79.0
Nov-94 80.0 79.1
Dec-94 80.5 79.2
Jan-95 79.9 79.3
Feb-95 79.1 79.4
Mar-95 79.5 79.6
Apr-95 79.0 79.7
May-95 78.9 79.8
Jun-95 79.5 79.9
Jul-95 79.6 80.0
Aug-95 79.8 80.3
Sep-95 80.5 80.8
Oct-95 80.5 81.2
Nov-95 81.1 81.6
Dec-95 81.9 82.0
Jan-96 80.6 82.4
Feb-96 86.5 82.9
Mar-96 84.5 83.3
Apr-96 82.9 83.7
May-96 84.2 84.1
Jun-96 84.6 84.4
Jul-96 84.7 84.9
Aug-96 85.3 85.3
Sep-96 85.4 85.5
Oct-96 85.4 85.8
Nov-96 85.0 86.1
Dec-96 86.5 86.4
Jan-97 87.7 86.6
Feb-97 87.9 86.9
Mar-97 87.4 87.1
Apr-97 87.5 87.5
May-97 87.5 87.8
Jun-97 87.4 88.1
Jul-97 87.8 88.3
Aug-97 87.9 88.5
Sep-97 90.0 88.7
Oct-97 88.5 88.9
Nov-97 89.4 89.2
Dec-97 89.4 89.4
Jan-98 90.0 89.6
Feb-98 90.2 89.9
Mar-98 89.6 90.0
Apr-98 90.7 90.2
May-98 91.3 90.5
Jun-98 89.7 90.8
Jul-98 89.8 91.1
Aug-98 92.1 91.4
Sep-98 89.7 91.6
Oct-98 92.9 91.9
Nov-98 93.3 92.1
Dec-98 92.8 92.4
Jan-99 93.1 92.8
Feb-99 92.9 93.2
Mar-99 93.4 93.6
Apr-99 94.0 94.2
May-99 92.8 94.6
Jun-99 93.6 94.9
Jul-99 95.9 95.1
Aug-99 95.7 95.4
Sep-99 96.8 95.9
Oct-99 98.2 96.3
Nov-99 98.9 96.9
Dec-99 94.7 97.5
Jan-00 94.8 97.9
Feb-00 99.0 98.3
Mar-00 99.3 98.7
Apr-00 98.7 99.1
May-00 100.5 99.4
Jun-00 100.3 99.8
Jul-00 100.2 100.2
Aug-00 100.1 100.5
Sep-00 102.7 100.6
Oct-00 101.6 100.8
Nov-00 102.6 100.9
Dec-00 100.1 100.8
Jan-01 100.6 100.9
Feb-01 99.9 101.0
Mar-01 100.7 100.2
Apr-01 101.0 98.4
May-01 100.2 97.0
Jun-01 100.2 96.0
Jul-01 101.2 95.2
Aug-01 103.2 94.5
Sep-01 79.3 93.9
Oct-01 83.1 93.2
Nov-01 87.5 92.7
Dec-01 89.7 92.2
Jan-02 91.5 91.6
Feb-02 92.5 91.0
Mar-02 93.3 91.3
Apr-02 93.5 92.4
May-02 94.4 93.3
Jun-02 93.9 93.9
Jul-02 93.6 94.5
Aug-02 95.6 94.7
Sep-02 93.5 94.8
Oct-02 95.7 94.7
Nov-02 96.0 94.5
Dec-02 97.6 94.5
Jan-03 96.8 94.6
Feb-03 93.8 94.8
Mar-03 94.0 95.1
Apr-03 90.5 95.4
May-03 92.6 95.6
Jun-03 94.0 95.8
Jul-03 97.2 96.1
Aug-03 96.6 96.5
Sep-03 98.7 97.3
Oct-03 97.9 98.2
Nov-03 99.3 99.1
Dec-03 100.3 100.0
Jan-04 99.2 100.7
Feb-04 102.6 101.4
Mar-04 102.6 102.0
Apr-04 103.4 102.7
May-04 102.8 103.4
Jun-04 104.4 104.0
Jul-04 104.9 104.7
Aug-04 105.0 105.2
Sep-04 105.5 105.6
Oct-04 107.2 106.1
Nov-04 107.0 106.7
Dec-04 106.8 107.2
Jan-05 108.4 107.6
Feb-05 106.2 108.0
Mar-05 109.3 108.4
Apr-05 109.2 108.8
May-05 110.0 109.0
Jun-05 109.4 109.2
Jul-05 110.4 109.4
Aug-05 109.0 109.5
Sep-05 111.5  
Oct-05 109.4  
Nov-05 109.9  
Dec-05 109.5  
Jan-06 110.2  
Feb-06 107.4  
Mar-06 109.2  
Apr-06 110.5  
May-06 110.2  

SOURCE: U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics, http://www.bts.gov.