;Vessels registered in Norwegian ship registers total;Vessels registered in Norwegian ship registers total;Norwegian International Ship Register;Norwegian International Ship Register;Norwegian International Ship Register;Norwegian International Ship Register;Norwegian Ordinary Ship Register;Norwegian Ordinary Ship Register; Vessels;Tonnage, measured (gross tonnes);Norwegian owned;Norwegian owned;Foreign owned;Foreign owned;Vessels;Tonnage, measured (gross tonnes); Vessels;Tonnage, measured (gross tonnes);Vessels;Tonnage, measured (gross tonnes); 2015;1373;15657581;398;10578817;98;3074984;877;2003780; 2016;1402;16404592;427;11479223;93;2943124;882;1982245; 2017;1441;16790484;454;11769038;102;3041568;885;1979878; 2018;1447;16884372;450;11242343;124;3816949;873;1825080;