2020 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 19 | 30.6% |
2 | United States | 13 | 21% |
3 | Germany | 7 | 11.3% |
4 | Netherlands | 6 | 9.7% |
5 | France | 5 | 8.1% |
6 | Taiwan | 3 | 4.8% |
7 | Norway | 2 | 3.2% |
8 | 2 | 3.2% | |
9 | Brazil | 2 | 3.2% |
10 | Canada | 2 | 3.2% |
11 | Czech Republic | 1 | 1.6% |