Vessels by Loading Capacity (Koku) (1919-1928) : Statistical Yearbook of Imperial Japan 49 (1930) Table 171

PERIOD: Japan proper, 1919 year-end to 1928 year-end. For Korea and Taiwan, 1924 year-end to 1928 year-end. SOURCE: [Reports by the Ministry of Communications; Statistics by government offices, overseas territories of Japan].

时期：日本本土，1919年年末至1928年年末；朝鲜半岛与台湾，1924年年末至1928年年末。来源：[通信省报告；政府部门统计，日本海外领土]。