Monthly Million Net Ton-Miles
1920-01-01 1673.00
1920-02-01 1577.00
1920-03-01 1811.00
1920-04-01 1575.00
1920-05-01 1646.00
1920-06-01 1690.00
1920-07-01 1713.00
1920-08-01 1576.00
1920-09-01 1685.00
1920-10-01 1227.00
1920-11-01 1460.00
1920-12-01 1547.00
1921-01-01 1440.00
1921-02-01 1276.00
1921-03-01 1273.00
1921-04-01 597.000
1921-05-01 498.000
1921-06-01 521.000
1921-07-01 1088.00
1921-08-01 1309.00
1921-09-01 1296.00
1921-10-01 1324.00
1921-11-01 1368.00
1921-12-01 1305.00
1922-01-01 1320.00
1922-02-01 1363.00
1922-03-01 1527.00
1922-04-01 1236.00
1922-05-01 1378.00
1922-06-01 1160.00
1922-07-01 1367.00
1922-08-01 1454.00
1922-09-01 1463.00
1922-10-01 1544.00
1922-11-01 1568.00
1922-12-01 1429.00
1923-01-01 1616.00
1923-02-01 1505.00
1923-03-01 1695.00
1923-04-01 1530.00
1923-05-01 1598.00
1923-06-01 1606.00
1923-07-01 1473.00
1923-08-01 1492.00
1923-09-01 1557.00
1923-10-01 1732.00
1923-11-01 1659.00
1923-12-01 1511.00
1924-01-01 1434.00
1924-02-01 1714.00
1924-03-01 1785.00
1924-04-01 1605.00
1924-05-01 1678.00
1924-06-01 1388.00
1924-07-01 1580.00
1924-08-01 1479.00
1924-09-01 1627.00
1924-10-01 1689.00
1924-11-01 1565.00
1924-12-01 1533.00
1925-01-01 1620.00
1925-02-01 1529.00
1925-03-01 1646.00
1925-04-01 1473.00
1925-05-01 1511.00
1925-06-01 1369.00
1925-07-01 1665.00
1925-08-01 1339.00
1925-09-01 1489.00
1925-10-01 1610.00
1925-11-01 1524.00
1925-12-01 1570.00
1926-01-01 1601.00
1926-02-01 1567.00
1926-03-01 1748.00
1926-04-01 1559.00
1926-05-01 452.000
1926-06-01 733.000
1926-07-01 751.000
1926-08-01 783.000
1926-09-01 910.000
1926-10-01 1144.00
1926-11-01 1309.00
1926-12-01 1495.00
1927-01-01 1654.00
1927-02-01 1570.00
1927-03-01 1744.00
1927-04-01 1494.00
1927-05-01 1596.00
1927-06-01 1501.00
1927-07-01 1548.00
1927-08-01 1526.00
1927-09-01 1580.00
1927-10-01 1584.00
1927-11-01 1560.00
1927-12-01 1502.00
1928-01-01 1506.00
1928-02-01 1484.00
1928-03-01 1631.00
1928-04-01 1364.00
1928-05-01 1458.00
1928-06-01 1419.00
1928-07-01 1402.00
1928-08-01 1451.00
1928-09-01 1483.00
1928-10-01 1584.00
1928-11-01 1524.00
1928-12-01 1440.00
1929-01-01 1590.00
1929-02-01 1476.00
1929-03-01 1648.00
1929-04-01 1536.00
1929-05-01 1552.00
1929-06-01 1476.00
1929-07-01 1580.00
1929-08-01 1572.00
1929-09-01 1565.00
1929-10-01 1695.00
1929-11-01 1658.00
1929-12-01 1519.00
1930-01-01 1636.00
1930-02-01 1529.00
1930-03-01 1611.00
1930-04-01 1438.00
1930-05-01 1539.00
1930-06-01 1277.00
1930-07-01 1448.00
1930-08-01 1378.00
1930-09-01 1454.00
1930-10-01 1560.00
1930-11-01 1466.00
1930-12-01 1470.00
1931-01-01 1458.00
1931-02-01 1336.00
1931-03-01 1426.00
1931-04-01 1337.00
1931-05-01 1288.00
1931-06-01 1337.00
1931-07-01 1359.00
1931-08-01 1265.00
1931-09-01 1367.00
1931-10-01 1446.00
1931-11-01 1337.00
1931-12-01 1378.00