2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 53 | 45.7% |
2 | China | 40 | 34.5% |
3 | Germany | 12 | 10.3% |
4 | Republic of Moldova | 4 | 3.4% |
5 | Taiwan | 2 | 1.7% |
6 | Republic of Korea | 2 | 1.7% |
7 | Australia | 1 | 0.9% |
8 | Netherlands | 1 | 0.9% |
9 | Vietnam | 1 | 0.9% |