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 573 55.1%
2 United States 234 22.5%
3 Netherlands 82 7.9%
4 Germany 47 4.5%
5 Canada 26 2.5%
6 France 20 1.9%
7 Korea, Republic of 12 1.2%
8 Taiwan 7 0.7%
9 India 6 0.6%
10 Senegal 6 0.6%
11 Russia 5 0.5%
12 Cote D'ivoire 5 0.5%
13 Hong Kong 4 0.4%
14 Singapore 3 0.3%
15 Moldova, Republic of 2 0.2%
16 Australia 2 0.2%
17 Azerbaijan 2 0.2%
18 Finland 1 0.1%
19 Israel 1 0.1%
20 United Kingdom 1 0.1%