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 258 56.5%
2 United States 66 14.4%
3 Germany 37 8.1%
4 Canada 26 5.7%
5 Taiwan 16 3.5%
6 France 11 2.4%
7 Netherlands 10 2.2%
8 Singapore 8 1.8%
9 Hong Kong 8 1.8%
10 Japan 6 1.3%
11 Australia 4 0.9%
12 Sweden 2 0.4%
13 United Kingdom 2 0.4%
14 Russia 1 0.2%
15 Korea, Republic of 1 0.2%
16 Iceland 1 0.2%