2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 18 | 43.9% |
2 | Germany | 11 | 26.8% |
3 | China | 8 | 19.5% |
4 | Republic of Korea | 3 | 7.3% |
5 | Canada | 1 | 2.4% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 18 | 43.9% |
2 | Germany | 11 | 26.8% |
3 | China | 8 | 19.5% |
4 | Republic of Korea | 3 | 7.3% |
5 | Canada | 1 | 2.4% |