2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 24 | 48% |
2 | Germany | 9 | 18% |
3 | China | 4 | 8% |
4 | Taiwan | 3 | 6% |
5 | Canada | 2 | 4% |
6 | Brazil | 1 | 2% |
7 | Denmark | 1 | 2% |
8 | France | 1 | 2% |
9 | Japan | 1 | 2% |
10 | Korea, Republic of | 1 | 2% |
11 | New Zealand | 1 | 2% |
12 | Republic of Korea | 1 | 2% |
13 | United Kingdom | 1 | 2% |