Source: National Bureau of Economic Research  

Release: NBER Macrohistory Database  

Units:  Thousands of Gross Tons, Not Seasonally Adjusted

Frequency:  Quarterly, End of Quarter

Only Merchant Vessels Of 100 Gross Tons And Over Are Included In This Series. Annual Figures Are Means Of Quarterly Values. Seasonally Adjusted Data Not Used. Returns Incomplete For Third And Fourth Quarters Of 1904 And Fourth Quarter Of 1909 (Danzig Not Reporting); Third Quarter Of 1922 Is An Approximate Value. Data Missing From Third Quarter 1914 To Second Quarter 1922, Because Of World War I. Gross Tonnage Represents, In Units Of 100 Cubic Feet, The Entire Capacity Of The Vessel, Including Crew And Engine Space. Source: Lloyd'S Register Shipbuilding Returns And Letter From London Office Of Lloyd'S Register Of Shipping.

This NBER data series q02100 appears on the NBER website in Chapter 2 at http://www.nber.org/databases/macrohistory/contents/chapter02.html.

NBER Indicator: q02100