Date,Revenue ton-miles freight,,,,
Jan-79,0.35,,,,
Feb-79,0.37,,,,
Mar-79,0.41,,,,
Apr-79,0.38,,,,
May-79,0.37,,,,
Jun-79,0.39,,,,
Jul-79,0.37,,,,
Aug-79,0.38,,,,
Sep-79,0.38,,,,
Oct-79,0.41,,,,
Nov-79,0.40,,,,
Dec-79,0.38,,,,
Jan-80,0.34,,,,
Feb-80,0.37,,,,
Mar-80,0.38,,,,
Apr-80,0.37,,,,
May-80,0.38,,,,
Jun-80,0.37,,,,
Jul-80,0.37,,,,
Aug-80,0.37,,,,
Sep-80,0.37,,,,
Oct-80,0.39,,,,
Nov-80,0.37,,,,
Dec-80,0.38,,,,
Jan-81,0.34,,,,
Feb-81,0.37,,,,
Mar-81,0.39,,,,
Apr-81,0.39,,,,
May-81,0.38,,,,
Jun-81,0.40,,,,
Jul-81,0.39,,,,
Aug-81,0.36,,,,
Sep-81,0.39,,,,
Oct-81,0.41,,,,
Nov-81,0.37,,,,
Dec-81,0.39,,,,
Jan-82,0.32,,,,
Feb-82,0.36,,,,
Mar-82,0.38,,,,
Apr-82,0.37,,,,
May-82,0.36,,,,
Jun-82,0.36,,,,
Jul-82,0.36,,,,
Aug-82,0.36,,,,
Sep-82,0.37,,,,
Oct-82,0.37,,,,
Nov-82,0.36,,,,
Dec-82,0.39,,,,
Jan-83,0.32,,,,
Feb-83,0.36,,,,
Mar-83,0.40,,,,
Apr-83,0.38,,,,
May-83,0.37,,,,
Jun-83,0.40,,,,
Jul-83,0.38,,,,
Aug-83,0.39,,,,
Sep-83,0.41,,,,
Oct-83,0.42,,,,
Nov-83,0.44,,,,
Dec-83,0.46,,,,
Jan-84,0.37,,,,
Feb-84,0.42,,,,
Mar-84,0.45,,,,
Apr-84,0.42,,,,
May-84,0.43,,,,
Jun-84,0.44,,,,
Jul-84,0.41,,,,
Aug-84,0.44,,,,
Sep-84,0.42,,,,
Oct-84,0.44,,,,
Nov-84,0.42,,,,
Dec-84,0.41,,,,
Jan-85,0.35,,,,
Feb-85,0.38,,,,
Mar-85,0.40,,,,
Apr-85,0.39,,,,
May-85,0.40,,,,
Jun-85,0.39,,,,
Jul-85,0.38,,,,
Aug-85,0.40,,,,
Sep-85,0.39,,,,
Oct-85,0.45,,,,
Nov-85,0.43,,,,
Dec-85,0.44,,,,
Jan-86,0.46,,,,
Feb-86,0.49,,,,
Mar-86,0.50,,,,
Apr-86,0.52,,,,
May-86,0.50,,,,
Jun-86,0.49,,,,
Jul-86,0.49,,,,
Aug-86,0.52,,,,
Sep-86,0.52,,,,
Oct-86,0.56,,,,
Nov-86,0.54,,,,
Dec-86,0.56,,,,
Jan-87,0.52,,,,
Feb-87,0.56,,,,
Mar-87,0.58,,,,
Apr-87,0.61,,,,
May-87,0.59,,,,
Jun-87,0.62,,,,
Jul-87,0.61,,,,
Aug-87,0.59,,,,
Sep-87,0.66,,,,
Oct-87,0.70,,,,
Nov-87,0.64,,,,
Dec-87,0.80,,,,
Jan-88,0.60,,,,
Feb-88,0.65,,,,
Mar-88,0.71,,,,
Apr-88,0.66,,,,
May-88,0.62,,,,
Jun-88,0.68,,,,
Jul-88,0.62,,,,
Aug-88,0.64,,,,
Sep-88,0.64,,,,
Oct-88,0.71,,,,
Nov-88,0.72,,,,
Dec-88,0.80,,,,
Jan-89,0.64,,,,
Feb-89,0.71,,,,
Mar-89,0.76,,,,
Apr-89,0.74,,,,
May-89,0.72,,,,
Jun-89,0.79,,,,
Jul-89,0.68,,,,
Aug-89,0.75,,,,
Sep-89,0.76,,,,
Oct-89,0.76,,,,
Nov-89,0.77,,,,
Dec-89,0.78,,,,
Jan-90,0.67,,,,
Feb-90,0.71,,,,
Mar-90,0.77,,,,
Apr-90,0.72,,,,
May-90,0.73,,,,
Jun-90,0.76,,,,
Jul-90,0.70,,,,
Aug-90,0.78,,,,
Sep-90,0.76,,,,
Oct-90,0.79,,,,
Nov-90,0.78,,,,
Dec-90,0.78,,,,
Jan-91,0.67,,,,
Feb-91,0.68,,,,
Mar-91,0.72,,,,
Apr-91,0.70,,,,
May-91,0.72,,,,
Jun-91,0.74,,,,
Jul-91,0.71,,,,
Aug-91,0.76,,,,
Sep-91,0.74,,,,
Oct-91,0.80,,,,
Nov-91,0.75,,,,
Dec-91,0.74,,,,
Jan-92,0.70,,,,
Feb-92,0.74,,,,
Mar-92,0.76,,,,
Apr-92,0.79,,,,
May-92,0.77,,,,
Jun-92,0.82,,,,
Jul-92,0.80,,,,
Aug-92,0.81,,,,
Sep-92,0.85,,,,
Oct-92,0.89,,,,
Nov-92,0.81,,,,
Dec-92,0.94,,,,
Jan-93,0.75,,,,
Feb-93,0.92,,,,
Mar-93,0.86,,,,
Apr-93,0.87,,,,
May-93,0.84,,,,
Jun-93,0.86,,,,
Jul-93,0.83,,,,
Aug-93,0.84,,,,
Sep-93,0.90,,,,
Oct-93,0.93,,,,
Nov-93,0.91,,,,
Dec-93,1.01,,,,
Jan-94,0.79,,,,
Feb-94,0.90,,,,
Mar-94,0.98,,,,
Apr-94,0.96,,,,
May-94,0.91,,,,
Jun-94,1.00,,,,
Jul-94,0.87,,,,
Aug-94,0.97,,,,
Sep-94,1.01,,,,
Oct-94,1.05,,,,
Nov-94,1.09,,,,
Dec-94,1.12,,,,
Jan-95,0.91,,,,
Feb-95,0.97,,,,
Mar-95,1.09,,,,
Apr-95,0.99,,,,
May-95,0.98,,,,
Jun-95,1.03,,,,
Jul-95,0.93,,,,
Aug-95,1.07,,,,
Sep-95,1.05,,,,
Oct-95,1.07,,,,
Nov-95,1.11,,,,
Dec-95,1.14,,,,
Jan-96,0.93,,,,
Feb-96,1.04,,,,
Mar-96,1.05,,,,
Apr-96,1.01,,,,
May-96,1.06,,,,
Jun-96,1.06,,,,
Jul-96,0.98,,,,
Aug-96,1.07,,,,
Sep-96,1.04,,,,
Oct-96,1.17,,,,
Nov-96,1.13,,,,
Dec-96,1.11,,,,
Jan-97,1.03,,,,
Feb-97,1.07,,,,
Mar-97,1.10,,,,
Apr-97,1.12,,,,
May-97,1.10,,,,
Jun-97,1.09,,,,
Jul-97,1.10,,,,
Aug-97,1.12,,,,
Sep-97,1.14,,,,
Oct-97,1.25,,,,
Nov-97,1.15,,,,
Dec-97,1.19,,,,
Jan-98,1.05,,,,
Feb-98,1.12,,,,
Mar-98,1.15,,,,
Apr-98,1.15,,,,
May-98,1.09,,,,
Jun-98,1.12,,,,
Jul-98,1.11,,,,
Aug-98,1.07,,,,
Sep-98,1.17,,,,
Oct-98,1.27,,,,
Nov-98,1.15,,,,
Dec-98,1.25,,,,
Jan-99,1.03,,,,
Feb-99,1.11,,,,
Mar-99,1.15,,,,
Apr-99,1.14,,,,
May-99,1.08,,,,
Jun-99,1.14,,,,
Jul-99,1.12,,,,
Aug-99,1.16,,,,
Sep-99,1.22,,,,
Oct-99,1.25,,,,
Nov-99,1.22,,,,
Dec-99,1.37,,,,
Jan-00,1.07,,,,
Feb-00,1.22,,,,
Mar-00,1.28,,,,
Apr-00,1.27,,,,
May-00,1.19,,,,
Jun-00,1.21,,,,
Jul-00,1.08,,,,
Aug-00,1.24,,,,
Sep-00,1.24,,,,
Oct-00,1.32,,,,
Nov-00,1.29,,,,
Dec-00,1.34,,,,
Jan-01,1.12,,,,
Feb-01,1.12,,,,
Mar-01,1.19,,,,
Apr-01,1.15,,,,
May-01,1.09,,,,
Jun-01,1.16,,,,
Jul-01,0.97,,,,
Aug-01,1.09,,,,
Sep-01,0.90,,,,
Oct-01,1.07,,,,
Nov-01,1.05,,,,
Dec-01,1.07,,,,
Jan-02,0.97,,,,
Feb-02,1.07,,,,
Mar-02,1.10,,,,
Apr-02,1.16,,,,
May-02,1.10,,,,
Jun-02,1.14,,,,
Jul-02,1.08,,,,
Aug-02,1.12,,,,
Sep-02,1.03,,,,
Oct-02,1.35,,,,
Nov-02,1.23,,,,
Dec-02,1.16,,,,
Jan-03,1.08,,,,
Feb-03,1.10,,,,
Mar-03,1.17,,,,
Apr-03,1.11,,,,
May-03,1.15,,,,
Jun-03,1.15,,,,
Jul-03,1.16,,,,
Aug-03,1.22,,,,
Sep-03,1.22,,,,
Oct-03,1.35,,,,
Nov-03,1.28,,,,
Dec-03,1.32,,,,
Jan-04,1.17,,,,
Feb-04,1.29,,,,
Mar-04,1.38,,,,
Apr-04,1.35,,,,
May-04,1.29,,,,
Jun-04,1.35,,,,
Jul-04,1.33,,,,
Aug-04,1.29,,,,
Sep-04,1.40,,,,
Oct-04,1.49,,,,
Nov-04,1.42,,,,
Dec-04,1.47,,,,
Jan-05,1.29,,,,
Feb-05,1.37,,,,
Mar-05,1.49,,,,
Apr-05,1.33,,,,