BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 134 50%
2 United States 54 20.1%
3 Germany 33 12.3%
4 Netherlands 12 4.5%
5 Hong Kong 10 3.7%
6 Taiwan 5 1.9%
7 Singapore 4 1.5%
8 Japan 4 1.5%
9 Norway 2 0.7%
10 Finland 2 0.7%
11 2 0.7%
12 Canada 2 0.7%
13 United Kingdom 2 0.7%
14 Australia 1 0.4%
15 France 1 0.4%