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 199 47.5%
2 United States 159 37.9%
3 Germany 27 6.4%
4 Hong Kong 5 1.2%
5 Russia 5 1.2%
6 Taiwan 4 1%
7 United Kingdom 4 1%
8 Italy 4 1%
9 Cyprus 3 0.7%
10 Singapore 3 0.7%
11 Armenia 2 0.5%
12 Japan 2 0.5%
13 Netherlands 1 0.2%
14 Canada 1 0.2%