BPG致力于知识的发现和传播
Total Visits of This Article
2022 | 总访问次数
排名 国家/地区 数量 占比
1 China 35 34%
2 United States 30 29.1%
3 Netherlands 15 14.6%
4 Germany 7 6.8%
5 Taiwan 4 3.9%
6 Canada 3 2.9%
7 Japan 3 2.9%
8 Hong Kong 2 1.9%
9 Czech Republic 2 1.9%
10 Korea, Republic of 1 1%
11 Singapore 1 1%