BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 83 48.5%
2 Germany 36 21.1%
3 United States 33 19.3%
4 Hong Kong 6 3.5%
5 United Kingdom 2 1.2%
6 Taiwan 2 1.2%
7 Ukraine 1 0.6%
8 France 1 0.6%
9 Canada 1 0.6%
10 Japan 1 0.6%
11 Malaysia 1 0.6%
12 Portugal 1 0.6%
13 Senegal 1 0.6%
14 Singapore 1 0.6%
15 Sweden 1 0.6%