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 237 63.4%
2 United States 69 18.4%
3 Germany 42 11.2%
4 Hong Kong 7 1.9%
5 Argentina 3 0.8%
6 Australia 2 0.5%
7 Canada 2 0.5%
8 Finland 2 0.5%
9 Japan 2 0.5%
10 Netherlands 2 0.5%
11 New Zealand 2 0.5%
12 Sweden 2 0.5%
13 United Kingdom 2 0.5%