2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 31 | 36% |
2 | China | 21 | 24.4% |
3 | Germany | 15 | 17.4% |
4 | Netherlands | 5 | 5.8% |
5 | Republic of Korea | 3 | 3.5% |
6 | India | 3 | 3.5% |
7 | Japan | 2 | 2.3% |
8 | Canada | 1 | 1.2% |
9 | France | 1 | 1.2% |
10 | Ireland | 1 | 1.2% |
11 | Israel | 1 | 1.2% |
12 | Singapore | 1 | 1.2% |
13 | Switzerland | 1 | 1.2% |