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 158 59%
2 United States 48 17.9%
3 Netherlands 32 11.9%
4 Germany 7 2.6%
5 Hong Kong 7 2.6%
6 Portugal 4 1.5%
7 Taiwan 3 1.1%
8 Russia 2 0.7%
9 France 2 0.7%
10 Italy 1 0.4%
11 Singapore 1 0.4%
12 Sweden 1 0.4%
13 United Kingdom 1 0.4%
14 Canada 1 0.4%