2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 17 | 37% |
2 | China | 10 | 21.7% |
3 | Germany | 9 | 19.6% |
4 | Japan | 3 | 6.5% |
5 | Canada | 2 | 4.3% |
6 | Taiwan | 2 | 4.3% |
7 | United Kingdom | 1 | 2.2% |
8 | Australia | 1 | 2.2% |
9 | Republic of Korea | 1 | 2.2% |