2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 18 | 47.4% |
2 | Germany | 10 | 26.3% |
3 | China | 5 | 13.2% |
4 | Netherlands | 4 | 10.5% |
5 | Republic of Korea | 1 | 2.6% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 18 | 47.4% |
2 | Germany | 10 | 26.3% |
3 | China | 5 | 13.2% |
4 | Netherlands | 4 | 10.5% |
5 | Republic of Korea | 1 | 2.6% |