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 United States 39 32%
2 China 35 28.7%
3 Germany 20 16.4%
4 Hong Kong 5 4.1%
5 Canada 4 3.3%
6 Ukraine 4 3.3%
7 Japan 3 2.5%
8 Netherlands 2 1.6%
9 Australia 2 1.6%
10 Russia 2 1.6%
11 Singapore 2 1.6%
12 Taiwan 1 0.8%
13 United Kingdom 1 0.8%
14 Portugal 1 0.8%
15 Ireland 1 0.8%