2019 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 15 | 41.7% |
2 | China | 9 | 25% |
3 | France | 3 | 8.3% |
4 | Germany | 3 | 8.3% |
5 | India | 2 | 5.6% |
6 | Korea, Republic of | 1 | 2.8% |
7 | Taiwan | 1 | 2.8% |
8 | Ukraine | 1 | 2.8% |
9 | United Kingdom | 1 | 2.8% |