2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 19 | 50% |
2 | United States | 9 | 23.7% |
3 | Germany | 7 | 18.4% |
4 | 2 | 5.3% | |
5 | Republic of Korea | 1 | 2.6% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 19 | 50% |
2 | United States | 9 | 23.7% |
3 | Germany | 7 | 18.4% |
4 | 2 | 5.3% | |
5 | Republic of Korea | 1 | 2.6% |