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 66 55%
2 China 21 17.5%
3 Germany 15 12.5%
4 4 3.3%
5 France 3 2.5%
6 Hong Kong 3 2.5%
7 Canada 2 1.7%
8 Netherlands 1 0.8%
9 Portugal 1 0.8%
10 Russia 1 0.8%
11 Singapore 1 0.8%
12 Sweden 1 0.8%
13 United Kingdom 1 0.8%