2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 39 | 55.7% |
2 | United States | 15 | 21.4% |
3 | Germany | 12 | 17.1% |
4 | Republic of Korea | 3 | 4.3% |
5 | Saudi Arabia | 1 | 1.4% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 39 | 55.7% |
2 | United States | 15 | 21.4% |
3 | Germany | 12 | 17.1% |
4 | Republic of Korea | 3 | 4.3% |
5 | Saudi Arabia | 1 | 1.4% |