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 231 56.6%
2 United States 67 16.4%
3 Germany 36 8.8%
4 Netherlands 24 5.9%
5 Singapore 11 2.7%
6 Taiwan 7 1.7%
7 Japan 6 1.5%
8 Canada 6 1.5%
9 Hong Kong 4 1%
10 United Kingdom 4 1%
11 Spain 3 0.7%
12 Sweden 3 0.7%
13 Russia 2 0.5%
14 Australia 2 0.5%
15 Ecuador 2 0.5%