| 1 | Vessels of less than 200 tons gross register tonnage; | |
| 2 | The ship's particulars are not completed, short of ship's GT. | |
| 3 | ClassNK has grown to become the world's largest Classification Society in term of Gross Tonnage. | |
| 4 | In recent years China's coastal shipbuilding industry has shown a trend of rapid development, and in 1997 China's shipbuilding tonnage ranked third in the world. | |
| 5 | The hegemony in the sea has been shaken after the First World War, but the total ton ranked the first in the world. |