2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 29 | 43.9% |
2 | Germany | 11 | 16.7% |
3 | Netherlands | 7 | 10.6% |
4 | China | 6 | 9.1% |
5 | Taiwan | 3 | 4.5% |
6 | Republic of Korea | 2 | 3% |
7 | India | 2 | 3% |
8 | Australia | 2 | 3% |
9 | Japan | 1 | 1.5% |
10 | Denmark | 1 | 1.5% |
11 | Finland | 1 | 1.5% |
12 | United Kingdom | 1 | 1.5% |