2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 16 | 35.6% |
2 | China | 14 | 31.1% |
3 | Germany | 10 | 22.2% |
4 | Netherlands | 4 | 8.9% |
5 | Republic of Korea | 1 | 2.2% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 16 | 35.6% |
2 | China | 14 | 31.1% |
3 | Germany | 10 | 22.2% |
4 | Netherlands | 4 | 8.9% |
5 | Republic of Korea | 1 | 2.2% |