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 202 43.8%
2 United States 136 29.5%
3 Germany 30 6.5%
4 Netherlands 28 6.1%
5 Taiwan 11 2.4%
6 Kenya 8 1.7%
7 Sweden 7 1.5%
8 Russia 6 1.3%
9 Israel 5 1.1%
10 Korea, Republic of 4 0.9%
11 Cote D'ivoire 3 0.7%
12 France 3 0.7%
13 Canada 3 0.7%
14 Australia 2 0.4%
15 Brazil 2 0.4%
16 Hong Kong 2 0.4%
17 India 2 0.4%
18 Singapore 2 0.4%
19 Spain 1 0.2%
20 Romania 1 0.2%
21 Japan 1 0.2%
22 Ireland 1 0.2%
23 United Kingdom 1 0.2%