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 149 66.5%
2 United States 26 11.6%
3 Germany 10 4.5%
4 Hong Kong 8 3.6%
5 Taiwan 7 3.1%
6 Portugal 6 2.7%
7 Australia 4 1.8%
8 Canada 4 1.8%
9 Senegal 2 0.9%
10 Singapore 2 0.9%
11 Sweden 1 0.4%
12 1 0.4%
13 Chile 1 0.4%
14 Russia 1 0.4%
15 Japan 1 0.4%
16 Netherlands 1 0.4%