Month	Car-Miles Per Train-Mile
1930-01-01	4.38000
1930-02-01	4.34000
1930-03-01	4.33000
1930-04-01	4.30000
1930-05-01	4.25000
1930-06-01	4.48000
1930-07-01	4.47000
1930-08-01	4.55000
1930-09-01	4.43000
1930-10-01	4.29000
1930-11-01	4.20000
1930-12-01	4.29000
1931-01-01	4.33000
1931-02-01	4.25000
1931-03-01	4.23000
1931-04-01	4.23000
1931-05-01	4.19000
1931-06-01	4.37000
1931-07-01	4.48000
1931-08-01	4.46000
1931-09-01	4.42000
1931-10-01	4.20000
1931-11-01	4.15000
1931-12-01	4.25000
1932-01-01	4.24000
1932-02-01	4.13000
1932-03-01	4.06000
1932-04-01	4.04000
1932-05-01	4.05000
1932-06-01	4.11000
1932-07-01	4.26000
1932-08-01	4.21000
1932-09-01	4.24000
1932-10-01	4.01000
1932-11-01	3.96000
1932-12-01	4.04000
1933-01-01	4.03000
1933-02-01	3.93000
1933-03-01	3.82000
1933-04-01	3.86000
1933-05-01	3.90000
1933-06-01	4.31000
1933-07-01	4.38000
1933-08-01	4.45000
1933-09-01	4.54000
1933-10-01	4.42000
1933-11-01	4.05000
1933-12-01	4.18000
1934-01-01	4.18000
1934-02-01	4.06000
1934-03-01	4.10000
1934-04-01	4.17000
1934-05-01	4.06000
1934-06-01	4.34000
1934-07-01	4.51000
1934-08-01	4.54000
1934-09-01	4.55000
1934-10-01	4.38000
1934-11-01	4.14000
1934-12-01	4.35000
1935-01-01	4.27000
1935-02-01	4.16000
1935-03-01	4.17000
1935-04-01	4.16000
1935-05-01	4.07000
1935-06-01	4.23000
1935-07-01	4.34000
1935-08-01	4.42000
1935-09-01	4.37000
1935-10-01	4.19000
1935-11-01	4.19000
1935-12-01	4.38000
1936-01-01	4.03000
1936-02-01	3.88000
1936-03-01	3.92000
1936-04-01	3.95000
1936-05-01	3.86000
1936-06-01	4.05000
1936-07-01	4.26000
1936-08-01	4.29000
1936-09-01	4.28000
1936-10-01	4.14000
1936-11-01	4.07000
1936-12-01	4.19000
1937-01-01	4.29000
1937-02-01	4.17000
1937-03-01	4.17000
1937-04-01	4.17000
1937-05-01	4.05000
1937-06-01	4.19000
1937-07-01	4.38000
1937-08-01	4.38000
1937-09-01	4.39000
1937-10-01	4.17000
1937-11-01	4.09000
1937-12-01	4.21000
1938-01-01	4.31000
1938-02-01	4.16000
1938-03-01	4.10000
1938-04-01	4.11000
1938-05-01	4.02000
1938-06-01	4.16000
1938-07-01	4.35000
1938-08-01	4.24000
1938-09-01	4.29000
1938-10-01	4.06000
1938-11-01	3.99000
1938-12-01	4.16000
1939-01-01	4.29000
1939-02-01	4.14000
1939-03-01	4.12000
1939-04-01	4.15000
1939-05-01	4.08000
1939-06-01	4.32000
1939-07-01	4.55000
1939-08-01	4.48000
1939-09-01	4.50000
1939-10-01	4.27000
1939-11-01	4.11000
1939-12-01	4.28000
1940-01-01	4.33000
1940-02-01	4.19000
1940-03-01	4.26000
1940-04-01	4.17000
1940-05-01	4.07000
1940-06-01	4.35000
1940-07-01	4.51000
1940-08-01	4.58000
1940-09-01	4.50000
1940-10-01	4.29000
1940-11-01	4.17000
1940-12-01	4.38000
1941-01-01	4.57000
1941-02-01	4.44000
1941-03-01	4.49000
1941-04-01	4.47000
1941-05-01	4.32000
1941-06-01	4.60000
1941-07-01	4.68000
1941-08-01	4.75000
1941-09-01	4.66000
1941-10-01	4.52000
1941-11-01	4.53000
1941-12-01	4.70000
1942-01-01	4.83000
1942-02-01	4.81000
1942-03-01	4.80000
1942-04-01	4.93000
1942-05-01	5.02000
1942-06-01	5.19000
1942-07-01	5.42000
1942-08-01	5.58000
1942-09-01	5.73000
1942-10-01	5.67000
1942-11-01	5.77000
1942-12-01	5.59000
1943-01-01	5.72000
1943-02-01	5.75000
1943-03-01	5.85000
1943-04-01	5.88000
1943-05-01	5.90000
1943-06-01	6.05000
1943-07-01	6.24000
1943-08-01	6.24000