Monthly Passenger-Miles
1920-01-01 1155.00
1920-02-01 1136.00
1920-03-01 1207.00
1920-04-01 1328.00
1920-05-01 1401.00
1920-06-01 1576.00
1920-07-01 1750.00
1920-08-01 1807.00
1920-09-01 1607.00
1920-10-01 1368.00
1920-11-01 1240.00
1920-12-01 1173.00
1921-01-01 1144.00
1921-02-01 1113.00
1921-03-01 1142.00
1921-04-01 1123.00
1921-05-01 1197.00
1921-06-01 1368.00
1921-07-01 1479.00
1921-08-01 1463.00
1921-09-01 1361.00
1921-10-01 1155.00
1921-11-01 1054.00
1921-12-01 1048.00
1922-01-01 978.000
1922-02-01 971.000
1922-03-01 989.000
1922-04-01 1119.00
1922-05-01 1190.00
1922-06-01 1406.00
1922-07-01 1452.00
1922-08-01 1430.00
1922-09-01 1335.00
1922-10-01 1131.00
1922-11-01 1032.00
1922-12-01 1047.00
1923-01-01 982.000
1923-02-01 941.000
1923-03-01 962.000
1923-04-01 1066.00
1923-05-01 1139.00
1923-06-01 1383.00
1923-07-01 1440.00
1923-08-01 1493.00
1923-09-01 1402.00
1923-10-01 1163.00
1923-11-01 1085.00
1923-12-01 1161.00
1924-01-01 1017.00
1924-02-01 1017.00
1924-03-01 1024.00
1924-04-01 1095.00
1924-05-01 1139.00
1924-06-01 1394.00
1924-07-01 1416.00
1924-08-01 1503.00
1924-09-01 1334.00
1924-10-01 1132.00
1924-11-01 1062.00
1924-12-01 1033.00
1925-01-01 1025.00
1925-02-01 1042.00
1925-03-01 1019.00
1925-04-01 1093.00
1925-05-01 1167.00
1925-06-01 1418.00
1925-07-01 1471.00
1925-08-01 1548.00
1925-09-01 1418.00
1925-10-01 1157.00
1925-11-01 1071.00
1925-12-01 1084.00
1926-01-01 1056.00
1926-02-01 1047.00
1926-03-01 998.000
1926-04-01 1076.00
1926-05-01 1167.00
1926-06-01 1384.00
1926-07-01 1454.00
1926-08-01 1479.00
1926-09-01 1381.00
1926-10-01 1142.00
1926-11-01 1037.00
1926-12-01 1053.00
1927-01-01 1030.00
1927-02-01 1047.00
1927-03-01 998.000
1927-04-01 1083.00
1927-05-01 1153.00
1927-06-01 1331.00
1927-07-01 1421.00
1927-08-01 1411.00
1927-09-01 1345.00
1927-10-01 1118.00
1927-11-01 1037.00
1927-12-01 1024.00
1928-01-01 1011.00
1928-02-01 1005.00
1928-03-01 974.000
1928-04-01 1058.00
1928-05-01 1081.00
1928-06-01 1328.00
1928-07-01 1369.00
1928-08-01 1383.00
1928-09-01 1309.00
1928-10-01 1094.00
1928-11-01 1005.00
1928-12-01 1041.00
1929-01-01 990.000
1929-02-01 1016.00
1929-03-01 1034.00
1929-04-01 1059.00
1929-05-01 1095.00
1929-06-01 1337.00
1929-07-01 1350.00
1929-08-01 1416.00
1929-09-01 1265.00
1929-10-01 1043.00
1929-11-01 976.000
1929-12-01 1009.00
1930-01-01 940.000
1930-02-01 995.000
1930-03-01 931.000
1930-04-01 990.000
1930-05-01 1037.00
1930-06-01 1241.00
1930-07-01 1246.00
1930-08-01 1277.00
1930-09-01 1157.00
1930-10-01 968.000
1930-11-01 911.000
1930-12-01 904.000
1931-01-01 883.000
1931-02-01 928.000
1931-03-01 856.000
1931-04-01 960.000
1931-05-01 992.000
1931-06-01 1160.00
1931-07-01 1179.00
1931-08-01 1161.00
1931-09-01 1100.00
1931-10-01 882.000
1931-11-01 854.000
1931-12-01 865.000
1932-01-01 815.000
1932-02-01 822.000
1932-03-01 779.000
1932-04-01 807.000
1932-05-01 891.000
1932-06-01 987.000
1932-07-01 1063.00
1932-08-01 1044.00
1932-09-01 1046.00
1932-10-01 817.000
1932-11-01 760.000
1932-12-01 793.000
1933-01-01 727.000
1933-02-01 712.000
1933-03-01 660.000
1933-04-01 775.000
1933-05-01 836.000
1933-06-01 1078.00
1933-07-01 1157.00
1933-08-01 1188.00
1933-09-01 1186.00
1933-10-01 1034.00
1933-11-01 833.000
1933-12-01 909.000
1934-01-01 835.000
1934-02-01 823.000
1934-03-01 834.000
1934-04-01 933.000
1934-05-01 908.000
1934-06-01 1134.00
1934-07-01 1207.00
1934-08-01 1246.00
1934-09-01 1155.00
1934-10-01 1015.00
1934-11-01 871.000
1934-12-01 943.000
1935-01-01 859.000
1935-02-01 888.000
1935-03-01 855.000
1935-04-01 914.000
1935-05-01 897.000
1935-06-01 1081.00
1935-07-01 1136.00
1935-08-01 1208.00
1935-09-01 1111.00
1935-10-01 947.000
1935-11-01 925.000
1935-12-01 965.000
1936-01-01 851.000
1936-02-01 821.000
1936-03-01 852.000
1936-04-01 904.000
1936-05-01 929.000
1936-06-01 1181.00
1936-07-01 1283.00
1936-08-01 1321.00
1936-09-01 1192.00
1936-10-01 1043.00
1936-11-01 992.000
1936-12-01 1024.00
1937-01-01 968.000
1937-02-01 971.000
1937-03-01 966.000
1937-04-01 998.000
1937-05-01 1048.00
1937-06-01 1227.00
1937-07-01 1321.00
1937-08-01 1327.00
1937-09-01 1222.00
1937-10-01 1063.00
1937-11-01 1004.00
1937-12-01 1013.00
1938-01-01 979.000
1938-02-01 944.000
1938-03-01 891.000
1938-04-01 973.000
1938-05-01 995.000
1938-06-01 1131.00
1938-07-01 1223.00
1938-08-01 1165.00
1938-09-01 1087.00
1938-10-01 975.000
1938-11-01 914.000
1938-12-01 968.000
1939-01-01 938.000
1939-02-01 906.000
1939-03-01 875.000
1939-04-01 962.000
1939-05-01 997.000
1939-06-01 1218.00
1939-07-01 1314.00
1939-08-01 1283.00
1939-09-01 1226.00
1939-10-01 1060.00
1939-11-01 924.000
1939-12-01 1012.00
1940-01-01 911.000
1940-02-01 933.000
1940-03-01 945.000
1940-04-01 958.000
1940-05-01 990.000
1940-06-01 1225.00
1940-07-01 1262.00
1940-08-01 1366.00
1940-09-01 1239.00
1940-10-01 1077.00
1940-11-01 994.000
1940-12-01 1082.00
1941-01-01 1053.00
1941-02-01 1084.00
1941-03-01 1076.00
1941-04-01 1149.00
1941-05-01 1149.00
1941-06-01 1382.00
1941-07-01 1438.00
1941-08-01 1528.00
1941-09-01 1366.00
1941-10-01 1258.00
1941-11-01 1209.00
1941-12-01 1331.00
1942-01-01 1319.00
1942-02-01 1411.00
1942-03-01 1402.00
1942-04-01 1624.00
1942-05-01 1805.00
1942-06-01 2042.00