2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 22 | 46.8% |
2 | Germany | 11 | 23.4% |
3 | China | 8 | 17% |
4 | Netherlands | 3 | 6.4% |
5 | Republic of Korea | 1 | 2.1% |
6 | Taiwan | 1 | 2.1% |
7 | Iran, Islamic Republic of | 1 | 2.1% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 22 | 46.8% |
2 | Germany | 11 | 23.4% |
3 | China | 8 | 17% |
4 | Netherlands | 3 | 6.4% |
5 | Republic of Korea | 1 | 2.1% |
6 | Taiwan | 1 | 2.1% |
7 | Iran, Islamic Republic of | 1 | 2.1% |