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 United States 39 34.5%
2 Germany 17 15%
3 China 16 14.2%
4 Netherlands 16 14.2%
5 United Kingdom 4 3.5%
6 Belarus 4 3.5%
7 Hong Kong 4 3.5%
8 France 2 1.8%
9 Australia 2 1.8%
10 Saudi Arabia 2 1.8%
11 Singapore 2 1.8%
12 Romania 1 0.9%
13 Georgia 1 0.9%
14 Canada 1 0.9%
15 Japan 1 0.9%
16 Korea, Republic of 1 0.9%