Source: National Bureau of Economic Research  

Release: NBER Macrohistory Database  

Units:  Thousands of Short Tons, Not Seasonally Adjusted

Frequency:  Monthly, End of Month

Notes:

The New York Custom House Found A Lack Of Complete Records For 1920 Through June 1930. Source: U.S. Statistics Bureau, Bureau Of Foreign And Domestic Commerce, Monthly Summary Of Commerce And Finance - Monthly Summary Of Foreign Commerce, Etc.

This NBER data series m05023 appears on the NBER website in Chapter 5 at http://www.nber.org/databases/macrohistory/contents/chapter05.html.

NBER Indicator: m05023