2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 12 | 34.3% |
2 | Germany | 11 | 31.4% |
3 | China | 6 | 17.1% |
4 | Netherlands | 5 | 14.3% |
5 | Republic of Korea | 1 | 2.9% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 12 | 34.3% |
2 | Germany | 11 | 31.4% |
3 | China | 6 | 17.1% |
4 | Netherlands | 5 | 14.3% |
5 | Republic of Korea | 1 | 2.9% |