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 China 47 32.6%
2 United States 46 31.9%
3 Korea, Republic of 8 5.6%
4 Germany 7 4.9%
5 Taiwan 7 4.9%
6 Senegal 5 3.5%
7 Singapore 5 3.5%
8 Japan 4 2.8%
9 Ireland 4 2.8%
10 Australia 3 2.1%
11 Canada 2 1.4%
12 Hong Kong 2 1.4%
13 Italy 2 1.4%
14 New Zealand 1 0.7%
15 South Africa 1 0.7%