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 226 60.6%
2 United States 64 17.2%
3 Netherlands 25 6.7%
4 Germany 15 4%
5 Hong Kong 12 3.2%
6 Canada 6 1.6%
7 Portugal 5 1.3%
8 Japan 4 1.1%
9 Australia 3 0.8%
10 Senegal 3 0.8%
11 United Kingdom 3 0.8%
12 Taiwan 2 0.5%
13 Singapore 2 0.5%
14 Spain 1 0.3%
15 France 1 0.3%
16 Russia 1 0.3%