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 172 48.9%
2 United States 68 19.3%
3 Germany 56 15.9%
4 Canada 23 6.5%
5 Hong Kong 9 2.6%
6 Netherlands 8 2.3%
7 Singapore 4 1.1%
8 United Arab Emirates 2 0.6%
9 Serbia 2 0.6%
10 Australia 2 0.6%
11 Brazil 2 0.6%
12 France 1 0.3%
13 Mauritius 1 0.3%
14 United Kingdom 1 0.3%
15 Taiwan 1 0.3%