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 203 42.9%
2 United States 156 33%
3 Germany 37 7.8%
4 Canada 19 4%
5 Singapore 9 1.9%
6 Taiwan 8 1.7%
7 Bangladesh 7 1.5%
8 Russia 6 1.3%
9 Hong Kong 5 1.1%
10 Netherlands 4 0.8%
11 United Kingdom 4 0.8%
12 Gabon 3 0.6%
13 Sweden 3 0.6%
14 Ireland 3 0.6%
15 Japan 1 0.2%
16 Australia 1 0.2%
17 Egypt 1 0.2%
18 France 1 0.2%
19 Ukraine 1 0.2%
20 Poland 1 0.2%