BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 United States 74 50.7%
2 China 27 18.5%
3 Germany 11 7.5%
4 Korea, Republic of 8 5.5%
5 Netherlands 4 2.7%
6 Senegal 4 2.7%
7 Japan 3 2.1%
8 Hong Kong 3 2.1%
9 France 2 1.4%
10 New Zealand 2 1.4%
11 Australia 2 1.4%
12 United Kingdom 2 1.4%
13 Viet Nam 1 0.7%
14 Singapore 1 0.7%
15 Peru 1 0.7%
16 Ireland 1 0.7%