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 61 41.5%
2 United States 37 25.2%
3 Germany 14 9.5%
4 Hong Kong 7 4.8%
5 Netherlands 5 3.4%
6 Portugal 5 3.4%
7 3 2%
8 United Kingdom 3 2%
9 Senegal 3 2%
10 Taiwan 2 1.4%
11 Turkey 2 1.4%
12 Singapore 1 0.7%
13 Canada 1 0.7%
14 France 1 0.7%
15 Russia 1 0.7%
16 Japan 1 0.7%