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 55 36.4%
2 China 50 33.1%
3 Germany 8 5.3%
4 Japan 6 4%
5 France 6 4%
6 Turkey 6 4%
7 Brazil 4 2.6%
8 Korea, Republic of 4 2.6%
9 Senegal 3 2%
10 Taiwan 2 1.3%
11 Philippines 2 1.3%
12 Australia 2 1.3%
13 Hong Kong 1 0.7%
14 India 1 0.7%
15 United Kingdom 1 0.7%