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 52 40.3%
2 United States 47 36.4%
3 Germany 7 5.4%
4 France 6 4.7%
5 Korea, Republic of 4 3.1%
6 Hong Kong 3 2.3%
7 India 3 2.3%
8 Philippines 2 1.6%
9 Senegal 1 0.8%
10 Sweden 1 0.8%
11 United Kingdom 1 0.8%
12 Japan 1 0.8%
13 Brazil 1 0.8%