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 153 34.9%
2 United States 132 30.1%
3 Netherlands 36 8.2%
4 Germany 33 7.5%
5 France 13 3%
6 Algeria 12 2.7%
7 Kenya 12 2.7%
8 Korea, Republic of 11 2.5%
9 Russia 9 2.1%
10 Cote D'ivoire 6 1.4%
11 Israel 6 1.4%
12 Hong Kong 5 1.1%
13 Canada 3 0.7%
14 Taiwan 3 0.7%
15 India 2 0.5%
16 United Kingdom 1 0.2%
17 South Africa 1 0.2%
18 Switzerland 1 0.2%