2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 20 | 47.6% |
2 | Germany | 9 | 21.4% |
3 | China | 4 | 9.5% |
4 | 3 | 7.1% | |
5 | Netherlands | 3 | 7.1% |
6 | Republic of Korea | 2 | 4.8% |
7 | Saudi Arabia | 1 | 2.4% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 20 | 47.6% |
2 | Germany | 9 | 21.4% |
3 | China | 4 | 9.5% |
4 | 3 | 7.1% | |
5 | Netherlands | 3 | 7.1% |
6 | Republic of Korea | 2 | 4.8% |
7 | Saudi Arabia | 1 | 2.4% |