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 87 48.1%
2 United States 55 30.4%
3 Germany 8 4.4%
4 France 6 3.3%
5 Senegal 5 2.8%
6 Korea, Republic of 4 2.2%
7 Hong Kong 3 1.7%
8 India 3 1.7%
9 Australia 3 1.7%
10 Taiwan 2 1.1%
11 Japan 2 1.1%
12 Philippines 2 1.1%
13 United Kingdom 1 0.6%