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 64 45.4%
2 United States 41 29.1%
3 Germany 14 9.9%
4 Hong Kong 7 5%
5 Canada 4 2.8%
6 Singapore 2 1.4%
7 United Kingdom 2 1.4%
8 Taiwan 2 1.4%
9 Ukraine 1 0.7%
10 Spain 1 0.7%
11 1 0.7%
12 Japan 1 0.7%
13 Portugal 1 0.7%