Coverage Excludes Warships, Official Boats And Canal Working Boats Throughout; After March 1921, Sport Ships Are Also Excluded. The Kiel Canal Was At One Point Known As The Kaiser Wilhelm Canal. Source: Statistiches Reichsamt, "Vierteljahreshefte Zur Statistik Des Deutchen Reiches", 1896 And Following Years.
This NBER data series m03021 appears on the NBER website in Chapter 3 at http://www.nber.org/databases/macrohistory/contents/chapter03.html.
NBER Indicator: m03021
Release: NBER Macrohistory Database
National Bureau of Economic Research, Kiel Canal Traffic for Germany [M03021DEM584NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/M03021DEM584NNBR/, July 5, 2015.