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 395 62.9%
2 United States 137 21.8%
3 Germany 29 4.6%
4 Canada 24 3.8%
5 Australia 6 1%
6 Hong Kong 5 0.8%
7 Netherlands 5 0.8%
8 Singapore 5 0.8%
9 Taiwan 4 0.6%
10 United Kingdom 3 0.5%
11 Russia 3 0.5%
12 France 3 0.5%
13 French Guiana 2 0.3%
14 Ireland 2 0.3%
15 Japan 2 0.3%
16 Norway 2 0.3%
17 Korea, Republic of 1 0.2%