2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 13 | 31.7% |
2 | Germany | 11 | 26.8% |
3 | China | 7 | 17.1% |
4 | Netherlands | 3 | 7.3% |
5 | Taiwan | 2 | 4.9% |
6 | United Kingdom | 1 | 2.4% |
7 | Republic of Korea | 1 | 2.4% |
8 | 1 | 2.4% | |
9 | Korea, Republic of | 1 | 2.4% |
10 | Malaysia | 1 | 2.4% |