2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 20 | 33.3% |
2 | Germany | 13 | 21.7% |
3 | China | 12 | 20% |
4 | Netherlands | 4 | 6.7% |
5 | Republic of Korea | 2 | 3.3% |
6 | Canada | 2 | 3.3% |
7 | Hong Kong | 2 | 3.3% |
8 | Japan | 1 | 1.7% |
9 | 1 | 1.7% | |
10 | Azerbaijan | 1 | 1.7% |
11 | Singapore | 1 | 1.7% |
12 | Switzerland | 1 | 1.7% |