Month Millions Of Pounds Of Coal 1921-08-01 1037.00 1921-09-01 998.000 1921-10-01 1005.00 1921-11-01 1078.00 1921-12-01 1094.00 1922-01-01 1115.00 1922-02-01 1102.00 1922-03-01 1236.00 1922-04-01 1031.00 1922-05-01 1098.00 1922-06-01 923.000 1922-07-01 1031.00 1922-08-01 1092.00 1922-09-01 1118.00 1922-10-01 1197.00 1922-11-01 1242.00 1922-12-01 1191.00 1923-01-01 1292.00 1923-02-01 1208.00 1923-03-01 1326.00 1923-04-01 1207.00 1923-05-01 1259.00 1923-06-01 1216.00 1923-07-01 1119.00 1923-08-01 1153.00 1923-09-01 1163.00 1923-10-01 1322.00 1923-11-01 1343.00 1923-12-01 1297.00 1924-01-01 1176.00 1924-02-01 1411.00 1924-03-01 1454.00 1924-04-01 1308.00 1924-05-01 1319.00 1924-06-01 1082.00 1924-07-01 1206.00 1924-08-01 1152.00 1924-09-01 1235.00 1924-10-01 1309.00 1924-11-01 1247.00 1924-12-01 1281.00 1925-01-01 1367.00 1925-02-01 1263.00 1925-03-01 1353.00 1925-04-01 1207.00 1925-05-01 1186.00 1925-06-01 1073.00 1925-07-01 1203.00 1925-08-01 1079.00 1925-09-01 1160.00 1925-10-01 1259.00 1925-11-01 1238.00 1925-12-01 1367.00 1926-01-01 1338.00 1926-02-01 1260.00 1926-03-01 1417.00 1926-04-01 1227.00 1926-05-01 406.000 1926-06-01 683.000 1926-07-01 705.000 1926-08-01 728.000 1926-09-01 801.000 1926-10-01 983.000 1926-11-01 1172.00 1926-12-01 1378.00 1927-01-01 1440.00 1927-02-01 1345.00 1927-03-01 1438.00 1927-04-01 1234.00 1927-05-01 1248.00 1927-06-01 1150.00 1927-07-01 1166.00 1927-08-01 1170.00 1927-09-01 1204.00 1927-10-01 1249.00 1927-11-01 1274.00 1927-12-01 1298.00 1928-01-01 1298.00 1928-02-01 1253.00 1928-03-01 1317.00 1928-04-01 1107.00 1928-05-01 1155.00 1928-06-01 1097.00 1928-07-01 1073.00 1928-08-01 1090.00 1928-09-01 1097.00 1928-10-01 1232.00 1928-11-01 1226.00 1928-12-01 1197.00 1929-01-01 1329.00 1929-02-01 1256.00 1929-03-01 1321.00 1929-04-01 1239.00 1929-05-01 1199.00 1929-06-01 1100.00 1929-07-01 1155.00 1929-08-01 1154.00 1929-09-01 1133.00 1929-10-01 1285.00 1929-11-01 1291.00 1929-12-01 1263.00 1930-01-01 1339.00 1930-02-01 1227.00 1930-03-01 1298.00 1930-04-01 1152.00 1930-05-01 1197.00 1930-06-01 992.000 1930-07-01 1088.00 1930-08-01 1045.00 1930-09-01 1093.00 1930-10-01 1178.00 1930-11-01 1139.00 1930-12-01 1199.00 1931-01-01 1233.00 1931-02-01 1122.00 1931-03-01 1200.00 1931-04-01 1085.00 1931-05-01 1039.00 1931-06-01 1021.00 1931-07-01 1032.00 1931-08-01 983.000 1931-09-01 1044.00 1931-10-01 1061.00 1931-11-01 1063.00 1931-12-01 1123.00