2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 24 | 50% |
2 | United States | 16 | 33.3% |
3 | Germany | 4 | 8.3% |
4 | Republic of Korea | 3 | 6.2% |
5 | Canada | 1 | 2.1% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 24 | 50% |
2 | United States | 16 | 33.3% |
3 | Germany | 4 | 8.3% |
4 | Republic of Korea | 3 | 6.2% |
5 | Canada | 1 | 2.1% |