BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 United States 51 35.7%
2 China 47 32.9%
3 Germany 13 9.1%
4 Netherlands 7 4.9%
5 Hong Kong 4 2.8%
6 Ireland 4 2.8%
7 India 3 2.1%
8 Senegal 3 2.1%
9 Korea, Republic of 3 2.1%
10 Morocco 2 1.4%
11 Canada 2 1.4%
12 Australia 1 0.7%
13 France 1 0.7%
14 Israel 1 0.7%
15 United Kingdom 1 0.7%