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 168 53.8%
2 United States 62 19.9%
3 Germany 43 13.8%
4 Netherlands 22 7.1%
5 Russia 3 1%
6 Sweden 2 0.6%
7 Taiwan 2 0.6%
8 United Kingdom 2 0.6%
9 Hong Kong 2 0.6%
10 New Zealand 2 0.6%
11 Canada 2 0.6%
12 Malaysia 1 0.3%
13 Finland 1 0.3%