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 China 76 38.6%
2 United States 49 24.9%
3 Germany 21 10.7%
4 Korea, Republic of 10 5.1%
5 Philippines 8 4.1%
6 Netherlands 6 3%
7 Togo 6 3%
8 Australia 5 2.5%
9 Senegal 5 2.5%
10 France 4 2%
11 India 3 1.5%
12 Japan 2 1%
13 Ukraine 1 0.5%
14 United Kingdom 1 0.5%