2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 23 | 41.1% |
2 | China | 17 | 30.4% |
3 | Germany | 9 | 16.1% |
4 | Netherlands | 5 | 8.9% |
5 | Republic of Korea | 2 | 3.6% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 23 | 41.1% |
2 | China | 17 | 30.4% |
3 | Germany | 9 | 16.1% |
4 | Netherlands | 5 | 8.9% |
5 | Republic of Korea | 2 | 3.6% |