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BTS Home > Publications > Journal of Transportation and Statistics > Volume 6 Number 2/3 > Paper 1
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Figure 2
Total Transportation Index: Linked Laspeyes vs. Fisher Ideal

Excel | CSV | Graphic Version

  Total Transportation Output Index (Fisher-Ideal) Total Transportation Output Index (Linked-Laspeyres)
Jan-80 68.2 68.0
Feb-80 66.9 66.6
Mar-80 64.1 63.7
Apr-80 62.8 62.9
May-80 62.3 61.5
Jun-80 60.8 59.9
Jul-80 60.4 59.8
Aug-80 60.7 60.1
Sep-80 61.5 61.0
Oct-80 62.8 62.4
Nov-80 62.6 62.1
Dec-80 65.5 65.2
Jan-81 65.2 64.7
Feb-81 64.6 63.8
Mar-81 63.9 62.8
Apr-81 63.3 62.6
May-81 61.7 61.3
Jun-81 62.3 61.5
Jul-81 63.2 62.7
Aug-81 61.0 60.1
Sep-81 62.2 61.5
Oct-81 61.7 61.0
Nov-81 60.2 59.3
Dec-81 60.7 59.7
Jan-82 58.0 57.6
Feb-82 58.6 57.9
Mar-82 59.1 58.2
Apr-82 58.5 57.9
May-82 57.5 56.9
Jun-82 59.0 58.3
Jul-82 57.2 56.7
Aug-82 56.7 55.9
Sep-82 56.9 56.3
Oct-82 54.8 54.1
Nov-82 55.5 54.5
Dec-82 57.3 56.4
Jan-83 57.2 56.2
Feb-83 57.4 56.6
Mar-83 58.9 58.1
Apr-83 57.3 56.4
May-83 58.6 57.9
Jun-83 61.1 60.4
Jul-83 60.9 60.5
Aug-83 61.0 60.1
Sep-83 61.2 60.4
Oct-83 59.7 58.9
Nov-83 61.3 60.4
Dec-83 61.8 61.1
Jan-84 62.7 61.9
Feb-84 64.8 63.9
Mar-84 64.7 64.0
Apr-84 64.2 63.6
May-84 65.7 65.0
Jun-84 65.8 65.2
Jul-84 64.0 63.5
Aug-84 66.0 65.2
Sep-84 63.5 62.9
Oct-84 64.4 63.5
Nov-84 64.3 63.4
Dec-84 63.5 62.7
Jan-85 64.0 63.5
Feb-85 62.3 61.8
Mar-85 62.6 61.8
Apr-85 64.2 63.1
May-85 65.0 64.2
Jun-85 62.9 62.6
Jul-85 63.4 62.9
Aug-85 63.7 63.1
Sep-85 62.3 61.9
Oct-85 63.5 62.8
Nov-85 62.8 62.3
Dec-85 65.1 64.6
Jan-86 67.0 66.6
Feb-86 65.7 65.0
Mar-86 65.2 64.7
Apr-86 67.0 65.9
May-86 66.0 65.4
Jun-86 65.4 65.2
Jul-86 68.9 68.2
Aug-86 67.9 67.5
Sep-86 68.6 68.2
Oct-86 68.7 68.1
Nov-86 67.2 66.9
Dec-86 70.1 69.5
Jan-87 69.9 69.5
Feb-87 70.6 70.0
Mar-87 71.3 70.7
Apr-87 72.2 71.3
May-87 69.7 69.2
Jun-87 71.5 70.9
Jul-87 74.4 73.5
Aug-87 71.4 70.9
Sep-87 74.2 73.7
Oct-87 74.2 73.9
Nov-87 74.3 74.1
Dec-87 76.7 76.3
Jan-88 74.8 74.8
Feb-88 78.5 78.5
Mar-88 76.9 76.7
Apr-88 76.4 75.6
May-88 75.8 75.4
Jun-88 77.7 77.2
Jul-88 75.5 75.2
Aug-88 77.0 76.2
Sep-88 78.2 77.7
Oct-88 75.7 75.5
Nov-88 77.9 77.7
Dec-88 79.4 79.3
Jan-89 77.1 76.8
Feb-89 76.4 76.2
Mar-89 76.4 76.1
Apr-89 75.0 74.6
May-89 76.4 75.6
Jun-89 77.5 76.9
Jul-89 73.8 73.5
Aug-89 76.8 76.2
Sep-89 77.1 76.3
Oct-89 76.1 75.4
Nov-89 77.6 76.7
Dec-89 77.2 77.0
Jan-90 77.8 76.8
Feb-90 78.8 78.0
Mar-90 79.4 78.5
Apr-90 77.9 77.5
May-90 79.2 78.5
Jun-90 78.2 77.7
Jul-90 78.2 78.0
Aug-90 81.3 80.9
Sep-90 79.0 78.5
Oct-90 80.8 79.8
Nov-90 80.4 79.7
Dec-90 76.7 76.0
Jan-91 78.5 77.8
Feb-91 75.9 75.5
Mar-91 73.7 74.1
Apr-91 77.3 76.5
May-91 78.7 77.7
Jun-91 75.5 75.2
Jul-91 80.8 80.2
Aug-91 81.8 81.3
Sep-91 82.3 81.6
Oct-91 83.9 83.3
Nov-91 80.9 80.4
Dec-91 80.2 79.7
Jan-92 82.6 82.2
Feb-92 83.2 83.1
Mar-92 82.1 81.9
Apr-92 82.4 82.1
May-92 82.2 81.7
Jun-92 83.9 83.2
Jul-92 87.9 86.9
Aug-92 84.5 83.8
Sep-92 86.2 85.6
Oct-92 85.7 85.3
Nov-92 84.0 83.8
Dec-92 85.5 85.4
Jan-93 85.3 85.5
Feb-93 84.5 84.8
Mar-93 85.7 86.1
Apr-93 86.8 86.6
May-93 84.7 84.3
Jun-93 86.0 86.1
Jul-93 85.9 85.7
Aug-93 85.5 85.3
Sep-93 89.2 88.5
Oct-93 88.7 88.5
Nov-93 90.3 90.3
Dec-93 89.7 89.8
Jan-94 86.7 87.1
Feb-94 87.9 88.2
Mar-94 93.5 93.4
Apr-94 84.5 84.3
May-94 91.4 91.3
Jun-94 93.4 93.7
Jul-94 91.7 91.9
Aug-94 93.8 94.2
Sep-94 97.0 96.9
Oct-94 94.4 94.0
Nov-94 99.7 99.5
Dec-94 104.6 104.8
Jan-95 101.4 101.6
Feb-95 100.6 100.7
Mar-95 100.3 100.5
Apr-95 94.4 94.7
May-95 99.1 98.9
Jun-95 98.0 98.0
Jul-95 94.2 94.6
Aug-95 99.9 100.2
Sep-95 99.2 99.1
Oct-95 97.1 97.3
Nov-95 99.1 98.9
Dec-95 95.7 96.1
Jan-96 96.9 97.4
Feb-96 100.0 99.9
Mar-96 99.0 99.1
Apr-96 98.6 98.6
May-96 101.5 101.3
Jun-96 97.5 98.1
Jul-96 100.0 100.2
Aug-96 100.5 100.8
Sep-96 99.9 100.0
Oct-96 102.9 102.9
Nov-96 101.5 101.9
Dec-96 101.6 101.4
Jan-97 104.5 104.1
Feb-97 104.1 103.8
Mar-97 103.4 102.9
Apr-97 105.0 104.4
May-97 105.5 104.9
Jun-97 103.7 103.7
Jul-97 106.4 105.8
Aug-97 105.3 104.9
Sep-97 109.8 108.6
Oct-97 110.6 109.9
Nov-97 106.9 106.4
Dec-97 110.9 110.3
Jan-98 110.3 109.4
Feb-98 110.5 109.2
Mar-98 112.0 111.4
Apr-98 112.7 111.7
May-98 111.9 110.8
Jun-98 113.1 112.7
Jul-98 113.2 112.6
Aug-98 110.3 110.2
Sep-98 112.6 111.7
Oct-98 114.0 112.8
Nov-98 113.2 112.4
Dec-98 114.3 113.5
Jan-99 112.4 111.3
Feb-99 114.4 113.1
Mar-99 119.4 118.1
Apr-99 116.3 114.9
May-99 115.1 113.8
Jun-99 116.8 115.9
Jul-99 116.1 115.0
Aug-99 116.7 115.8
Sep-99 119.1 117.4
Oct-99 118.3 116.9
Nov-99 121.8 119.9
Dec-99 120.0 118.7
Jan-00 117.6 116.5
Feb-00 121.4 119.8
Mar-00 119.4 117.3
Apr-00 112.6 110.5
May-00 120.0 117.3
Jun-00 117.8 116.1
Jul-00 114.1 112.7
Aug-00 118.9 117.9
Sep-00 115.6 114.0
Oct-00 116.8 115.3
Nov-00 118.7 116.6
Dec-00 112.3 110.8
Jan-01 118.8 116.9
Feb-01 114.5 112.6
Mar-01 118.2 116.3
Apr-01 115.5 113.6
May-01 120.9 118.6
Jun-01 115.5 113.7
Jul-01 116.6 115.0
Aug-01 120.2 118.6
Sep-01 101.6 103.8
Oct-01 108.8 108.1
Nov-01 110.08 108.5
Dec-01 108.61 106.8
Jan-02 114.66 114.3
Feb-02 110.74 109.1
Mar-02 112.51 111.0
Apr-02 116.25 115.4
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