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 69 36.9%
2 United States 55 29.4%
3 Germany 21 11.2%
4 Korea, Republic of 10 5.3%
5 Philippines 6 3.2%
6 Togo 6 3.2%
7 Senegal 5 2.7%
8 France 5 2.7%
9 Japan 3 1.6%
10 India 2 1.1%
11 Australia 2 1.1%
12 Brazil 1 0.5%
13 Sweden 1 0.5%
14 Ukraine 1 0.5%