2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 15 | 34.1% |
2 | United States | 13 | 29.5% |
3 | Germany | 12 | 27.3% |
4 | Iran, Islamic Republic of | 1 | 2.3% |
5 | Korea, Republic of | 1 | 2.3% |
6 | Peru | 1 | 2.3% |
7 | Canada | 1 | 2.3% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 15 | 34.1% |
2 | United States | 13 | 29.5% |
3 | Germany | 12 | 27.3% |
4 | Iran, Islamic Republic of | 1 | 2.3% |
5 | Korea, Republic of | 1 | 2.3% |
6 | Peru | 1 | 2.3% |
7 | Canada | 1 | 2.3% |