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 592 51.7%
2 United States 260 22.7%
3 Netherlands 111 9.7%
4 Germany 53 4.6%
5 France 28 2.4%
6 Korea, Republic of 19 1.7%
7 Russia 13 1.1%
8 Taiwan 12 1%
9 Canada 10 0.9%
10 Senegal 8 0.7%
11 Hong Kong 7 0.6%
12 Sweden 6 0.5%
13 Philippines 5 0.4%
14 India 4 0.3%
15 Japan 4 0.3%
16 Cote D'ivoire 4 0.3%
17 Mauritius 3 0.3%
18 Switzerland 2 0.2%
19 United Kingdom 2 0.2%
20 Singapore 1 0.1%